题解 | #字符个数统计#
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
string=str(input()) l=[] for i in string: if i not in l: l.append(i) #print(l) print(len(l))
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
string=str(input()) l=[] for i in string: if i not in l: l.append(i) #print(l) print(len(l))
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