leetcode之Two Sum

class Solution(object):
def twoSum(self, nums, target):
"""
:type nums: List[int]
:type target: int
:rtype: List[int]
"""
list1 = []
list2 = sorted(nums)

for i in range(len(nums)):
if target - list2[i] in nums:
if list2[i] * 2 == target:
a = nums.index(list2[i])
list1.append(a + 1)
list1.append(nums[a + 1:].index(list2[i]) + 1 + a + 1)
else:
list1.append(nums.index(list2[i]) + 1)
list1.append(nums.index(target - list2[i]) + 1)
list1.sort()
return list1