题解 | #字符个数统计#
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
str=input()
count=0
stm=None
str_li=sorted(str)
for i in str_li:
if i!=stm and 0<=ord(i)<=127:
count+=1
stm=i
print(count)
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
str=input()
count=0
stm=None
str_li=sorted(str)
for i in str_li:
if i!=stm and 0<=ord(i)<=127:
count+=1
stm=i
print(count)
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