题解 | 字符个数统计
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
import sys s=input().strip() visited=set() for i in s: if 0<ord(i)<127: visited.add(i) res=len(visited) print(res)
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
import sys s=input().strip() visited=set() for i in s: if 0<ord(i)<127: visited.add(i) res=len(visited) print(res)
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