class Solution:
def twoSum(self, nums, target):
hashmap={}
for i,j in enumerate(nums):
res=target-j
hashmap[j]=i
if res in hashmap:
return [hashmap[res],i]

class Solution:
def twoSum(self, nums, target):
hashmap={}
for i,j in enumerate(nums):
res=target-j
hashmap[j]=i
if res in hashmap:
return [hashmap[res],i]