LeetCode 习题 1006. 笨阶乘

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1. class Solution:
   
2.     def clumsy(self, n: int) -> int:
   
3.         operators = __import__("itertools").cycle(["*", "//", "+", "-"])
   
4.         return eval("".join([str(n)] + [f"{operators.__next__()}{i}" for i in range(n - 1, 0, -1)]))

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