题解 | #字符个数统计#
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
a = input() b = '' def countalpha(a:str,b:str): for i in range(0,len(a)): if a[i] not in b: if a[i] != ' ': b = b + a[i] print(len(b)) countalpha(a,b)
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
a = input() b = '' def countalpha(a:str,b:str): for i in range(0,len(a)): if a[i] not in b: if a[i] != ' ': b = b + a[i] print(len(b)) countalpha(a,b)
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