Add two sum

Author: Frederick-S

Diff for: .gitignore

@@ -1,26 +1,123 @@
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Diff for: leetcode/__init__.py

@@ -1,9 +1,12 @@
+from typing import List
+
+
 class Solution:
     def twoSum(self, nums: List[int], target: int) -> List[int]:
         mapping = {}
 
         for index, value in enumerate(nums):
             if target - value in mapping:
-                return (mapping[target - value], index)
+                return [mapping[target - value], index]
             else:
                 mapping[value] = index

Diff for: leetcode/algorithms/__init__.py

@@ -0,0 +1,8 @@
+from setuptools import setup
+
+setup(
+    name='LeetCode',
+    version='0.0.1',
+    description='Solutions to LeetCode',
+    test_suite='tests'
+)

Diff for: Algorithms/0001_two_sum.py renamed to leetcode/algorithms/l0001_two_sum.py

@@ -0,0 +1,10 @@
+import unittest
+from leetcode.algorithms.l0001_two_sum import Solution
+
+
+class TestTwoSum(unittest.TestCase):
+    def test_two_sum(self):
+        nums = [2, 7, 11, 15]
+        target = 9
+
+        self.assertListEqual([0, 1], Solution().twoSum(nums, target))