题解 | #字符个数统计#
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
# input()会自动去除换行符,直接将字符串转为set去重后求长度
while True:
try:
print(len(set(input())))
except:
break
while True:
try:
print(len(set(input())))
except:
break
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
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