1.Two_Sum.py

#Problem available at: https://leetcode.com/problems/two-sum/
class Solution:
    def twoSum(self, nums: List[int], target: int) -> List[int]:
        for i in range(len(nums)):
            for j in range(i+1,len(nums)):
                if (nums[i] + nums[j]) == target:
                    return (i,j)