class Solution(object):
def twoSum(self, numbers, target):
"""
:type numbers: List[int]
:type target: int
:rtype: List[int]
"""
d = dict()
for index,value
in enumerate(numbers):
if target-value
in d:
return [d[target-value]+
1,index+
1]
d[value] = index
enumerate():
>>> for index,value
in enumerate([
1,
2,
3])
>>> print
0,
1
1,
2
2,
3
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