题解 | #字符个数统计#
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
ls = input() temp = [] num = 0 for i in ls: if i in temp: continue else: temp.append(i) num += 1 print(num)
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
ls = input() temp = [] num = 0 for i in ls: if i in temp: continue else: temp.append(i) num += 1 print(num)
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