Python: Using itertools.product

  • 0

    I used itertools.product
    Thanks to @StefanPochmann

    class Solution(object):
        def letterCombinations(self, digits):
            :type digits: str
            :rtype: List[str]
            ht = {'2':'abc','3':'def','4':'ghi','5':'jkl','6':'mno','7':'pqrs','8':'tuv','9':'wxyz'}
            if not digits: return []
            chars = []
            for d in digits:
            return ["".join(c) for c in itertools.product(*chars)]

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