题解 | #字符个数统计#
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
one = input("") two = "" count = 0 for i in one: if i not in two: two = two+i count+=1 print(count)
采用复制法(独创!)将唯一字符保存到另一个镜像中
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
one = input("") two = "" count = 0 for i in one: if i not in two: two = two+i count+=1 print(count)
采用复制法(独创!)将唯一字符保存到另一个镜像中
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