题解 | #字符个数统计#
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
def getn(s): slist = set(list(s)) print(len(slist)) s = input() getn(s)
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
def getn(s): slist = set(list(s)) print(len(slist)) s = input() getn(s)
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