add solution 001 [Python3]

Author: chakyam

solution/001.Two Sum/Solution.py

@@ -0,0 +1,14 @@
+class Solution:
+    def twoSum(self, nums, target):
+        """
+        :type nums: List[int]
+        :type target: int
+        :rtype: List[int]
+        """
+        for i in nums:
+            tmp=nums.copy()
+            tmp.remove(i)
+            if target-i in tmp:
+                return [nums.index(i),nums.index(target-i)]
+        return [None,None]
+