题解 | #字符个数统计#
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
while True: try: s = input() s = set(s) print(len(s)) except: break
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字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
while True: try: s = input() s = set(s) print(len(s)) except: break
无聊刷刷!
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