'''
Given an array of strings, group anagrams together.

For example, given: ["eat", "tea", "tan", "ate", "nat", "bat"], 
Return:

[
  ["ate", "eat","tea"],
  ["nat","tan"],
  ["bat"]
]
'''
class Solution(object):
    def groupAnagrams(self, strs):
        """
        :type strs: List[str]
        :rtype: List[List[str]]
        """
        dict = {}
        for word in strs:
            sortedword = ''.join(sorted(word))
            dict[sortedword] = [word] if sortedword not in dict else dict[sortedword] + [word]
        res = []
        for item in dict:
            #Has to change the value of the dict to array!!!
            res += [dict[item]]
        return res