049 group anagrams python
49. Group Anagrams python
题目： https://leetcode.com/problems/anagrams/
难度 : Medium
python大法好
class Solution(object):
def groupAnagrams(self, strs):
"""
:type strs: List[str]
:rtype: List[List[str]]
"""
mapx = {}
for i in strs:
x = ''.join(sorted(list(i)))
if x in mapx:
mapx[x].append(i)
else:
mapx[x] = [i]
return mapx.values()
