Create two-sum.py

Not particularly elegant, but does the job

two-sum.py

@@ -0,0 +1,13 @@
+class Solution(object):
+    def twoSum(self, nums, target):
+        """
+        :type nums: List[int]
+        :type target: int
+        :rtype: List[int]
+        """
+        temp = []
+        for i,num in enumerate(nums):
+            for j, item in enumerate(temp):
+                if item + num == target:
+                    return [i,j]
+            temp.append(num)