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<p class="run"><span class="n"><a id="t1" href="#t1">1</a></span><span class="t"><span class="key">from</span> <span class="nam">__future__</span> <span class="key">import</span> <span class="nam">annotations</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t2" href="#t2">2</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t3" href="#t3">3</a></span><span class="t"> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t4" href="#t4">4</a></span><span class="t"><span class="nam">_SHORTEN_MAP</span><span class="op">:</span> <span class="nam">dict</span><span class="op">[</span><span class="nam">int</span> <span class="op">|</span> <span class="nam">float</span><span class="op">,</span> <span class="nam">str</span><span class="op">]</span> <span class="op">=</span> <span class="op">{</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t5" href="#t5">5</a></span><span class="t"> <span class="num">1e3</span><span class="op">:</span> <span class="str">"K"</span><span class="op">,</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t6" href="#t6">6</a></span><span class="t"> <span class="num">1e6</span><span class="op">:</span> <span class="str">"M"</span><span class="op">,</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t7" href="#t7">7</a></span><span class="t"> <span class="num">1e9</span><span class="op">:</span> <span class="str">"B"</span><span class="op">,</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t8" href="#t8">8</a></span><span class="t"> <span class="num">1e12</span><span class="op">:</span> <span class="str">"t"</span><span class="op">,</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t9" href="#t9">9</a></span><span class="t"> <span class="num">1e15</span><span class="op">:</span> <span class="str">"q"</span><span class="op">,</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t10" href="#t10">10</a></span><span class="t"> <span class="num">1e18</span><span class="op">:</span> <span class="str">"Q"</span><span class="op">,</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t11" href="#t11">11</a></span><span class="t"><span class="op">}</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t12" href="#t12">12</a></span><span class="t"> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t13" href="#t13">13</a></span><span class="t"><span class="nam">_SHORTEN_TUPLES</span><span class="op">:</span> <span class="nam">list</span><span class="op">[</span><span class="nam">tuple</span><span class="op">[</span><span class="nam">int</span> <span class="op">|</span> <span class="nam">float</span><span class="op">,</span> <span class="nam">str</span><span class="op">]</span><span class="op">]</span> <span class="op">=</span> <span class="nam">sorted</span><span class="op">(</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t14" href="#t14">14</a></span><span class="t"> <span class="op">(</span><span class="op">(</span><span class="nam">val</span><span class="op">,</span> <span class="nam">suffix</span><span class="op">)</span> <span class="key">for</span> <span class="nam">val</span><span class="op">,</span> <span class="nam">suffix</span> <span class="key">in</span> <span class="nam">_SHORTEN_MAP</span><span class="op">.</span><span class="nam">items</span><span class="op">(</span><span class="op">)</span><span class="op">)</span><span class="op">,</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t15" href="#t15">15</a></span><span class="t"> <span class="nam">key</span><span class="op">=</span><span class="key">lambda</span> <span class="nam">x</span><span class="op">:</span> <span class="op">-</span><span class="nam">x</span><span class="op">[</span><span class="num">0</span><span class="op">]</span><span class="op">,</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t16" href="#t16">16</a></span><span class="t"><span class="op">)</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t17" href="#t17">17</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t18" href="#t18">18</a></span><span class="t"> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t19" href="#t19">19</a></span><span class="t"><span class="nam">_REVERSE_SHORTEN_MAP</span><span class="op">:</span> <span class="nam">dict</span><span class="op">[</span><span class="nam">str</span><span class="op">,</span> <span class="nam">int</span> <span class="op">|</span> <span class="nam">float</span><span class="op">]</span> <span class="op">=</span> <span class="op">{</span><span class="nam">v</span><span class="op">:</span> <span class="nam">k</span> <span class="key">for</span> <span class="nam">k</span><span class="op">,</span> <span class="nam">v</span> <span class="key">in</span> <span class="nam">_SHORTEN_MAP</span><span class="op">.</span><span class="nam">items</span><span class="op">(</span><span class="op">)</span><span class="op">}</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t20" href="#t20">20</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t21" href="#t21">21</a></span><span class="t"> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t22" href="#t22">22</a></span><span class="t"><span class="key">def</span> <span class="nam">shorten_numerical_to_str</span><span class="op">(</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t23" href="#t23">23</a></span><span class="t"> <span class="nam">num</span><span class="op">:</span> <span class="nam">int</span> <span class="op">|</span> <span class="nam">float</span><span class="op">,</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t24" href="#t24">24</a></span><span class="t"> <span class="nam">small_as_decimal</span><span class="op">:</span> <span class="nam">bool</span> <span class="op">=</span> <span class="key">True</span><span class="op">,</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t25" href="#t25">25</a></span><span class="t"> <span class="nam">precision</span><span class="op">:</span> <span class="nam">int</span> <span class="op">=</span> <span class="num">1</span><span class="op">,</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t26" href="#t26">26</a></span><span class="t"><span class="op">)</span> <span class="op">-></span> <span class="nam">str</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t27" href="#t27">27</a></span><span class="t"> <span class="str">"""shorten a large numerical value to a string</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t28" href="#t28">28</a></span><span class="t"><span class="str"> 1234 -> 1K</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t29" href="#t29">29</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t30" href="#t30">30</a></span><span class="t"><span class="str"> precision guaranteed to 1 in 10, but can be higher. reverse of `str_to_numeric`</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t31" href="#t31">31</a></span><span class="t"><span class="str"> """</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t32" href="#t32">32</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t33" href="#t33">33</a></span><span class="t"> <span class="com"># small values are returned as is</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t34" href="#t34">34</a></span><span class="t"> <span class="nam">num_abs</span><span class="op">:</span> <span class="nam">float</span> <span class="op">=</span> <span class="nam">abs</span><span class="op">(</span><span class="nam">num</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t35" href="#t35">35</a></span><span class="t"> <span class="key">if</span> <span class="nam">num_abs</span> <span class="op"><</span> <span class="num">1e3</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t36" href="#t36">36</a></span><span class="t"> <span class="key">return</span> <span class="nam">str</span><span class="op">(</span><span class="nam">num</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t37" href="#t37">37</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t38" href="#t38">38</a></span><span class="t"> <span class="com"># iterate over suffixes from largest to smallest</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t39" href="#t39">39</a></span><span class="t"> <span class="key">for</span> <span class="nam">i</span><span class="op">,</span> <span class="op">(</span><span class="nam">val</span><span class="op">,</span> <span class="nam">suffix</span><span class="op">)</span> <span class="key">in</span> <span class="nam">enumerate</span><span class="op">(</span><span class="nam">_SHORTEN_TUPLES</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t40" href="#t40">40</a></span><span class="t"> <span class="key">if</span> <span class="nam">num_abs</span> <span class="op">></span> <span class="nam">val</span> <span class="key">or</span> <span class="nam">i</span> <span class="op">==</span> <span class="nam">len</span><span class="op">(</span><span class="nam">_SHORTEN_TUPLES</span><span class="op">)</span> <span class="op">-</span> <span class="num">1</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t41" href="#t41">41</a></span><span class="t"> <span class="key">if</span> <span class="op">(</span><span class="nam">num_abs</span> <span class="op"><</span> <span class="nam">val</span> <span class="op">*</span> <span class="num">10</span><span class="op">)</span> <span class="key">and</span> <span class="nam">small_as_decimal</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t42" href="#t42">42</a></span><span class="t"> <span class="key">return</span> <span class="fst">f"</span><span class="op">{</span><span class="nam">num</span> <span class="op">/</span> <span class="nam">val</span><span class="op">:</span><span class="fst">.</span><span class="op">{</span><span class="nam">precision</span><span class="op">}</span><span class="fst">f</span><span class="op">}</span><span class="op">{</span><span class="nam">suffix</span><span class="op">}</span><span class="fst">"</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t43" href="#t43">43</a></span><span class="t"> <span class="key">elif</span> <span class="nam">num_abs</span> <span class="op"><</span> <span class="nam">val</span> <span class="op">*</span> <span class="num">1e3</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t44" href="#t44">44</a></span><span class="t"> <span class="key">return</span> <span class="fst">f"</span><span class="op">{</span><span class="nam">int</span><span class="op">(</span><span class="nam">round</span><span class="op">(</span><span class="nam">num</span> <span class="op">/</span> <span class="nam">val</span><span class="op">)</span><span class="op">)</span><span class="op">}</span><span class="op">{</span><span class="nam">suffix</span><span class="op">}</span><span class="fst">"</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t45" href="#t45">45</a></span><span class="t"> </span><span class="r"></span></p>
<p class="mis show_mis"><span class="n"><a id="t46" href="#t46">46</a></span><span class="t"> <span class="key">return</span> <span class="fst">f"</span><span class="op">{</span><span class="nam">num</span><span class="op">:</span><span class="fst">.</span><span class="op">{</span><span class="nam">precision</span><span class="op">}</span><span class="fst">f</span><span class="op">}</span><span class="fst">"</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t47" href="#t47">47</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t48" href="#t48">48</a></span><span class="t"> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t49" href="#t49">49</a></span><span class="t"><span class="key">def</span> <span class="nam">str_to_numeric</span><span class="op">(</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t50" href="#t50">50</a></span><span class="t"> <span class="nam">quantity</span><span class="op">:</span> <span class="nam">str</span><span class="op">,</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t51" href="#t51">51</a></span><span class="t"> <span class="nam">mapping</span><span class="op">:</span> <span class="key">None</span> <span class="op">|</span> <span class="nam">bool</span> <span class="op">|</span> <span class="nam">dict</span><span class="op">[</span><span class="nam">str</span><span class="op">,</span> <span class="nam">int</span> <span class="op">|</span> <span class="nam">float</span><span class="op">]</span> <span class="op">=</span> <span class="key">True</span><span class="op">,</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t52" href="#t52">52</a></span><span class="t"><span class="op">)</span> <span class="op">-></span> <span class="nam">int</span> <span class="op">|</span> <span class="nam">float</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t53" href="#t53">53</a></span><span class="t"> <span class="str">"""Convert a string representing a quantity to a numeric value.</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t54" href="#t54">54</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t55" href="#t55">55</a></span><span class="t"><span class="str"> The string can represent an integer, python float, fraction, or shortened via `shorten_numerical_to_str`.</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t56" href="#t56">56</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t57" href="#t57">57</a></span><span class="t"><span class="str"> # Examples:</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t58" href="#t58">58</a></span><span class="t"><span class="str"> ```</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t59" href="#t59">59</a></span><span class="t"><span class="str"> >>> str_to_numeric("5")</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t60" href="#t60">60</a></span><span class="t"><span class="str"> 5</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t61" href="#t61">61</a></span><span class="t"><span class="str"> >>> str_to_numeric("0.1")</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t62" href="#t62">62</a></span><span class="t"><span class="str"> 0.1</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t63" href="#t63">63</a></span><span class="t"><span class="str"> >>> str_to_numeric("1/5")</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t64" href="#t64">64</a></span><span class="t"><span class="str"> 0.2</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t65" href="#t65">65</a></span><span class="t"><span class="str"> >>> str_to_numeric("-1K")</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t66" href="#t66">66</a></span><span class="t"><span class="str"> -1000.0</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t67" href="#t67">67</a></span><span class="t"><span class="str"> >>> str_to_numeric("1.5M")</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t68" href="#t68">68</a></span><span class="t"><span class="str"> 1500000.0</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t69" href="#t69">69</a></span><span class="t"><span class="str"> >>> str_to_numeric("1.2e2")</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t70" href="#t70">70</a></span><span class="t"><span class="str"> 120.0</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t71" href="#t71">71</a></span><span class="t"><span class="str"> ```</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t72" href="#t72">72</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t73" href="#t73">73</a></span><span class="t"><span class="str"> """</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t74" href="#t74">74</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t75" href="#t75">75</a></span><span class="t"> <span class="com"># check is string</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t76" href="#t76">76</a></span><span class="t"> <span class="key">if</span> <span class="key">not</span> <span class="nam">isinstance</span><span class="op">(</span><span class="nam">quantity</span><span class="op">,</span> <span class="nam">str</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="mis show_mis"><span class="n"><a id="t77" href="#t77">77</a></span><span class="t"> <span class="key">raise</span> <span class="nam">TypeError</span><span class="op">(</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t78" href="#t78">78</a></span><span class="t"> <span class="fst">f"</span><span class="fst">quantity must be a string, got '</span><span class="op">{</span><span class="nam">type</span><span class="op">(</span><span class="nam">quantity</span><span class="op">)</span> <span class="op">=</span> <span class="op">}</span><span class="fst">' '</span><span class="op">{</span><span class="nam">quantity</span> <span class="op">=</span> <span class="op">}</span><span class="fst">'</span><span class="fst">"</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t79" href="#t79">79</a></span><span class="t"> <span class="op">)</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t80" href="#t80">80</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t81" href="#t81">81</a></span><span class="t"> <span class="com"># basic int conversion</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t82" href="#t82">82</a></span><span class="t"> <span class="key">try</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t83" href="#t83">83</a></span><span class="t"> <span class="nam">quantity_int</span><span class="op">:</span> <span class="nam">int</span> <span class="op">=</span> <span class="nam">int</span><span class="op">(</span><span class="nam">quantity</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t84" href="#t84">84</a></span><span class="t"> <span class="key">return</span> <span class="nam">quantity_int</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t85" href="#t85">85</a></span><span class="t"> <span class="key">except</span> <span class="nam">ValueError</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t86" href="#t86">86</a></span><span class="t"> <span class="key">pass</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t87" href="#t87">87</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t88" href="#t88">88</a></span><span class="t"> <span class="com"># basic float conversion</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t89" href="#t89">89</a></span><span class="t"> <span class="key">try</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t90" href="#t90">90</a></span><span class="t"> <span class="nam">quantity_float</span><span class="op">:</span> <span class="nam">float</span> <span class="op">=</span> <span class="nam">float</span><span class="op">(</span><span class="nam">quantity</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t91" href="#t91">91</a></span><span class="t"> <span class="key">return</span> <span class="nam">quantity_float</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t92" href="#t92">92</a></span><span class="t"> <span class="key">except</span> <span class="nam">ValueError</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t93" href="#t93">93</a></span><span class="t"> <span class="key">pass</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t94" href="#t94">94</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t95" href="#t95">95</a></span><span class="t"> <span class="com"># mapping</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t96" href="#t96">96</a></span><span class="t"> <span class="nam">_mapping</span><span class="op">:</span> <span class="nam">dict</span><span class="op">[</span><span class="nam">str</span><span class="op">,</span> <span class="nam">int</span> <span class="op">|</span> <span class="nam">float</span><span class="op">]</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t97" href="#t97">97</a></span><span class="t"> <span class="key">if</span> <span class="nam">mapping</span> <span class="key">is</span> <span class="key">True</span> <span class="key">or</span> <span class="nam">mapping</span> <span class="key">is</span> <span class="key">None</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t98" href="#t98">98</a></span><span class="t"> <span class="nam">_mapping</span> <span class="op">=</span> <span class="nam">_REVERSE_SHORTEN_MAP</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t99" href="#t99">99</a></span><span class="t"> <span class="key">else</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t100" href="#t100">100</a></span><span class="t"> <span class="nam">_mapping</span> <span class="op">=</span> <span class="nam">mapping</span> <span class="com"># type: ignore[assignment]</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t101" href="#t101">101</a></span><span class="t"> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t102" href="#t102">102</a></span><span class="t"> <span class="nam">quantity_original</span><span class="op">:</span> <span class="nam">str</span> <span class="op">=</span> <span class="nam">quantity</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t103" href="#t103">103</a></span><span class="t"> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t104" href="#t104">104</a></span><span class="t"> <span class="nam">quantity</span> <span class="op">=</span> <span class="nam">quantity</span><span class="op">.</span><span class="nam">strip</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t105" href="#t105">105</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t106" href="#t106">106</a></span><span class="t"> <span class="nam">result</span><span class="op">:</span> <span class="nam">int</span> <span class="op">|</span> <span class="nam">float</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t107" href="#t107">107</a></span><span class="t"> <span class="nam">multiplier</span><span class="op">:</span> <span class="nam">int</span> <span class="op">|</span> <span class="nam">float</span> <span class="op">=</span> <span class="num">1</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t108" href="#t108">108</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t109" href="#t109">109</a></span><span class="t"> <span class="com"># detect if it has a suffix</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t110" href="#t110">110</a></span><span class="t"> <span class="nam">suffixes_detected</span><span class="op">:</span> <span class="nam">list</span><span class="op">[</span><span class="nam">bool</span><span class="op">]</span> <span class="op">=</span> <span class="op">[</span><span class="nam">suffix</span> <span class="key">in</span> <span class="nam">quantity</span> <span class="key">for</span> <span class="nam">suffix</span> <span class="key">in</span> <span class="nam">_mapping</span><span class="op">]</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t111" href="#t111">111</a></span><span class="t"> <span class="nam">n_suffixes_detected</span><span class="op">:</span> <span class="nam">int</span> <span class="op">=</span> <span class="nam">sum</span><span class="op">(</span><span class="nam">suffixes_detected</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t112" href="#t112">112</a></span><span class="t"> <span class="key">if</span> <span class="nam">n_suffixes_detected</span> <span class="op">==</span> <span class="num">0</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t113" href="#t113">113</a></span><span class="t"> <span class="com"># no suffix</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t114" href="#t114">114</a></span><span class="t"> <span class="key">pass</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t115" href="#t115">115</a></span><span class="t"> <span class="key">elif</span> <span class="nam">n_suffixes_detected</span> <span class="op">==</span> <span class="num">1</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t116" href="#t116">116</a></span><span class="t"> <span class="com"># find multiplier</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t117" href="#t117">117</a></span><span class="t"> <span class="key">for</span> <span class="nam">suffix</span><span class="op">,</span> <span class="nam">mult</span> <span class="key">in</span> <span class="nam">_mapping</span><span class="op">.</span><span class="nam">items</span><span class="op">(</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t118" href="#t118">118</a></span><span class="t"> <span class="key">if</span> <span class="nam">quantity</span><span class="op">.</span><span class="nam">endswith</span><span class="op">(</span><span class="nam">suffix</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t119" href="#t119">119</a></span><span class="t"> <span class="com"># remove suffix, store multiplier, and break</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t120" href="#t120">120</a></span><span class="t"> <span class="nam">quantity</span> <span class="op">=</span> <span class="nam">quantity</span><span class="op">[</span><span class="op">:</span> <span class="op">-</span><span class="nam">len</span><span class="op">(</span><span class="nam">suffix</span><span class="op">)</span><span class="op">]</span><span class="op">.</span><span class="nam">strip</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t121" href="#t121">121</a></span><span class="t"> <span class="nam">multiplier</span> <span class="op">=</span> <span class="nam">mult</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t122" href="#t122">122</a></span><span class="t"> <span class="key">break</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t123" href="#t123">123</a></span><span class="t"> <span class="key">else</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t124" href="#t124">124</a></span><span class="t"> <span class="key">raise</span> <span class="nam">ValueError</span><span class="op">(</span><span class="fst">f"</span><span class="fst">Invalid suffix in </span><span class="op">{</span><span class="nam">quantity_original</span><span class="op">}</span><span class="fst">"</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t125" href="#t125">125</a></span><span class="t"> <span class="key">else</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t126" href="#t126">126</a></span><span class="t"> <span class="com"># multiple suffixes</span> </span><span class="r"></span></p>
<p class="mis show_mis"><span class="n"><a id="t127" href="#t127">127</a></span><span class="t"> <span class="key">raise</span> <span class="nam">ValueError</span><span class="op">(</span><span class="fst">f"</span><span class="fst">Multiple suffixes detected in </span><span class="op">{</span><span class="nam">quantity_original</span><span class="op">}</span><span class="fst">"</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t128" href="#t128">128</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t129" href="#t129">129</a></span><span class="t"> <span class="com"># fractions</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t130" href="#t130">130</a></span><span class="t"> <span class="key">if</span> <span class="str">"/"</span> <span class="key">in</span> <span class="nam">quantity</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t131" href="#t131">131</a></span><span class="t"> <span class="key">try</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t132" href="#t132">132</a></span><span class="t"> <span class="key">assert</span> <span class="nam">quantity</span><span class="op">.</span><span class="nam">count</span><span class="op">(</span><span class="str">"/"</span><span class="op">)</span> <span class="op">==</span> <span class="num">1</span><span class="op">,</span> <span class="str">"too many '/'"</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t133" href="#t133">133</a></span><span class="t"> <span class="com"># split and strip</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t134" href="#t134">134</a></span><span class="t"> <span class="nam">num</span><span class="op">,</span> <span class="nam">den</span> <span class="op">=</span> <span class="nam">quantity</span><span class="op">.</span><span class="nam">split</span><span class="op">(</span><span class="str">"/"</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t135" href="#t135">135</a></span><span class="t"> <span class="nam">num</span> <span class="op">=</span> <span class="nam">num</span><span class="op">.</span><span class="nam">strip</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t136" href="#t136">136</a></span><span class="t"> <span class="nam">den</span> <span class="op">=</span> <span class="nam">den</span><span class="op">.</span><span class="nam">strip</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t137" href="#t137">137</a></span><span class="t"> <span class="nam">num_sign</span><span class="op">:</span> <span class="nam">int</span> <span class="op">=</span> <span class="num">1</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t138" href="#t138">138</a></span><span class="t"> <span class="com"># negative numbers</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t139" href="#t139">139</a></span><span class="t"> <span class="key">if</span> <span class="nam">num</span><span class="op">.</span><span class="nam">startswith</span><span class="op">(</span><span class="str">"-"</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t140" href="#t140">140</a></span><span class="t"> <span class="nam">num_sign</span> <span class="op">=</span> <span class="op">-</span><span class="num">1</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t141" href="#t141">141</a></span><span class="t"> <span class="nam">num</span> <span class="op">=</span> <span class="nam">num</span><span class="op">[</span><span class="num">1</span><span class="op">:</span><span class="op">]</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t142" href="#t142">142</a></span><span class="t"> <span class="com"># assert that both are digits</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t143" href="#t143">143</a></span><span class="t"> <span class="key">assert</span> <span class="op">(</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t144" href="#t144">144</a></span><span class="t"> <span class="nam">num</span><span class="op">.</span><span class="nam">isdigit</span><span class="op">(</span><span class="op">)</span> <span class="key">and</span> <span class="nam">den</span><span class="op">.</span><span class="nam">isdigit</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t145" href="#t145">145</a></span><span class="t"> <span class="op">)</span><span class="op">,</span> <span class="str">"numerator and denominator must be digits"</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t146" href="#t146">146</a></span><span class="t"> <span class="com"># return the fraction</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t147" href="#t147">147</a></span><span class="t"> <span class="nam">result</span> <span class="op">=</span> <span class="nam">num_sign</span> <span class="op">*</span> <span class="op">(</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t148" href="#t148">148</a></span><span class="t"> <span class="nam">int</span><span class="op">(</span><span class="nam">num</span><span class="op">)</span> <span class="op">/</span> <span class="nam">int</span><span class="op">(</span><span class="nam">den</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t149" href="#t149">149</a></span><span class="t"> <span class="op">)</span> <span class="com"># this allows for fractions with suffixes, which is weird, but whatever</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t150" href="#t150">150</a></span><span class="t"> <span class="key">except</span> <span class="nam">AssertionError</span> <span class="key">as</span> <span class="nam">e</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t151" href="#t151">151</a></span><span class="t"> <span class="key">raise</span> <span class="nam">ValueError</span><span class="op">(</span><span class="fst">f"</span><span class="fst">Invalid fraction </span><span class="op">{</span><span class="nam">quantity_original</span><span class="op">}</span><span class="fst">: </span><span class="op">{</span><span class="nam">e</span><span class="op">}</span><span class="fst">"</span><span class="op">)</span> <span class="key">from</span> <span class="nam">e</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t152" href="#t152">152</a></span><span class="t"> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t153" href="#t153">153</a></span><span class="t"> <span class="com"># decimals</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t154" href="#t154">154</a></span><span class="t"> <span class="key">else</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t155" href="#t155">155</a></span><span class="t"> <span class="key">try</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t156" href="#t156">156</a></span><span class="t"> <span class="nam">result</span> <span class="op">=</span> <span class="nam">int</span><span class="op">(</span><span class="nam">quantity</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t157" href="#t157">157</a></span><span class="t"> <span class="key">except</span> <span class="nam">ValueError</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t158" href="#t158">158</a></span><span class="t"> <span class="key">try</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t159" href="#t159">159</a></span><span class="t"> <span class="nam">result</span> <span class="op">=</span> <span class="nam">float</span><span class="op">(</span><span class="nam">quantity</span><span class="op">)</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t160" href="#t160">160</a></span><span class="t"> <span class="key">except</span> <span class="nam">ValueError</span> <span class="key">as</span> <span class="nam">e</span><span class="op">:</span> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t161" href="#t161">161</a></span><span class="t"> <span class="key">raise</span> <span class="nam">ValueError</span><span class="op">(</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t162" href="#t162">162</a></span><span class="t"> <span class="fst">f"</span><span class="fst">Invalid quantity </span><span class="op">{</span><span class="nam">quantity_original</span><span class="op">}</span><span class="fst"> (</span><span class="op">{</span><span class="nam">quantity</span><span class="op">}</span><span class="fst">)</span><span class="fst">"</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t163" href="#t163">163</a></span><span class="t"> <span class="op">)</span> <span class="key">from</span> <span class="nam">e</span> </span><span class="r"></span></p>
<p class="pln"><span class="n"><a id="t164" href="#t164">164</a></span><span class="t"> </span><span class="r"></span></p>
<p class="run"><span class="n"><a id="t165" href="#t165">165</a></span><span class="t"> <span class="key">return</span> <span class="nam">result</span> <span class="op">*</span> <span class="nam">multiplier</span> </span><span class="r"></span></p>
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