摘要:
遍历的话若全部遍历则为N,若遍历k次,则为k class Solution: """ @param str: str: the given string @return: char: the first unique character in a given string """ def first 阅读全文
posted @ 2021-07-21 10:10
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摘要:
i = [1,2,3,4,5,6] b = list(i) print(i) # [1,2,3,4,5,6] print(b) # [1,2,3,4,5,6] 阅读全文
posted @ 2021-07-21 09:14
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