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added two_sum.py #9

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added two_sum.py #9

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17 changes: 17 additions & 0 deletions two_sum.py
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Original file line number Diff line number Diff line change
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# Given the list of numbers and a target, We have to find two numbers such that the addition of two numbers in the list should be equal to the target.
#Input: list of numbers, target
#Output: Index of two numbers
class Solution:
def twoSum(self, nums, target):
hash={}
for i in range(len(nums)):
com = target - nums[i]
if com not in hash:
hash[nums[i]]=i
else:
return [hash[com],i]

s1 = Solution()
nums = [2,7,11,15]
target = 9
print(s1.twoSum(nums , target ))