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