17. Letter Combinations of a Phone Number

python class Solution: def letterCombinations(self, digits): # dict = {'2': 'abc', '3': 'def', '4': 'ghi', '5': 'jkl', '6': 'mno', '7': 'pqrs', '8': 'tuv', '9': 'wxyz'} #
相关文章
相关标签/搜索