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Given an array of strings, group anagrams together.

For example, given: [“eat”, “tea”, “tan”, “ate”, “nat”, “bat”],

Return:

[

[“ate”, “eat”,”tea”], [“nat”,”tan”], [“bat”] ] Note: For the return value, each inner list’s elements must follow the lexicographic order. All inputs will be in lower-case.

class Solution(object):    def groupAnagrams(self,strs):        doc={}        count={}        list_=[]        if not len(strs):            return         for s in strs:            temp="".join(sorted(s))            if temp in doc:                doc[temp]+=[s]            else:                doc[temp]=[s]        print doc        for i in doc:          tmp=doc[i]          tmp.sort()          list_+=[tmp]        return list_

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