Create two_sum.py

Author: pawangeek

0001/two_sum.py

@@ -0,0 +1,18 @@
+class Solution(object):
+    def twoSum(self, nums, target):
+        """
+        :type nums: List[int]
+        :type target: int
+        :rtype: List[int]
+        """
+        hash_table = dict()
+
+        # Iterating the list
+        for i, num in enumerate(nums):
+
+            # If the target-num in dict then, we found the solution
+            try:
+                hash_table[target - num]
+                return [hash_table[target - num], i]
+            except KeyError:
+                hash_table[num] = i