diff --git a/README.md b/README.md
index b0d2ae1..3f44066 100644
--- a/README.md
+++ b/README.md
@@ -7,13 +7,14 @@ Yet another Json Parser for Python
 
 
 ### Supports
-it supports standard libraries
-- dump
+it supports standard `json` lib's
 - dumps
-- load
 - loads
+- dump
+- load
+
+functions
 
-functionalities.
 
 ### loads examples
 ```python
@@ -23,12 +24,26 @@ functionalities.
 >>> pyyjson.loads('[{"a":"b"}, 3, 4]')
 [{'a': 'b'}, 3, 4]
 ```
+
 ### dumps example
 ```python
 >>> pyyjson.dumps([{'a': 'b'}, 3, 4])
 '[{"a":"b"},3,4]'
 ```
 
+### load example
+```python
+>>> import pyyjson
+>>> pyyjson.load("simple_json.json") # in "tests/" directory
+{'a': 1, 'b': 2, 'c': 3}
+```
+
+### dump example
+```python
+>>> import pyyjson
+>>> pyyjson.dump({'a': 1, 'b': 2, 'c': 3}, "simple_json.json")
+```
+
 ### Benchmarks
 each elements in cols denotes "calls/sec". Test suite is adapted from ujson's benchmark format.
 
diff --git a/pyyjson/wrapper.py b/pyyjson/wrapper.py
index 9c1e473..8fdf53b 100644
--- a/pyyjson/wrapper.py
+++ b/pyyjson/wrapper.py
@@ -1,4 +1,6 @@
 import enum
+import io
+import os
 from pyyjson.cserde import _loads, _dumps
 from inspect import signature
 
@@ -47,7 +49,13 @@ def loads(doc, flags=0x00):
 
 
 def load(fp, flags=0x00):
-    txt = fp.read()
+    if type(fp) == io.TextIOWrapper:
+        txt = fp.read()
+    elif type(fp) == str:
+        if not os.path.exists(fp):
+            raise FileNotFoundError(f"{fp} not found!")
+        with open(fp, 'r') as f:
+            txt = f.read()
     return loads(txt, flags)
 
 
@@ -74,5 +82,12 @@ def dumps(obj, ensure_ascii=False, default=None, escape_slash=False, flags=0x00)
 
 
 def dump(obj, fp, ensure_ascii=False, default=None, escape_slash=False, flags=0x00):
-    ret_str = _dumps(obj, ensure_ascii=ensure_ascii, default=default, escape_slash=escape_slash, flags=flags)
-    return fp.write(ret_str)
+    ret_str = dumps(obj, ensure_ascii=ensure_ascii, default=default, escape_slash=escape_slash, flags=flags)
+    # return fp.write(ret_str)
+    if type(fp) == io.TextIOWrapper:
+        fp.write(ret_str)
+    elif type(fp) == str:
+        if not os.path.exists(fp):
+            raise FileNotFoundError(f"{fp} not found!")
+        with open(fp, 'w') as f:
+            f.write(ret_str)
diff --git a/tests/simple_json.json b/tests/simple_json.json
index 7878a20..4a972de 100644
--- a/tests/simple_json.json
+++ b/tests/simple_json.json
@@ -1,5 +1 @@
-{
-    "a": 1,
-    "b": 2,
-    "c": 3
-}
\ No newline at end of file
+{"a":1,"b":2,"c":3}
\ No newline at end of file