diff --git a/src/transformStateWithClones.js b/src/transformStateWithClones.js
index 96d4f7e7e..a432d26f1 100644
--- a/src/transformStateWithClones.js
+++ b/src/transformStateWithClones.js
@@ -8,6 +8,31 @@
  */
 function transformStateWithClones(state, actions) {
   // write code here
+  let currentState = { ...state };
+  const result = [];
+
+  for (const i of actions) {
+    let newState = { ...currentState };
+
+    if (i.type === 'addProperties') {
+      Object.assign(newState, i.extraData);
+    }
+
+    if (i.type === 'removeProperties') {
+      for (const j of i.keysToRemove) {
+        delete newState[j];
+      }
+    }
+
+    if (i.type === 'clear') {
+      newState = {};
+    }
+
+    result.push(newState);
+    currentState = newState;
+  }
+
+  return result;
 }
 
 module.exports = transformStateWithClones;