题解 | #字符个数统计#
字符个数统计
http://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
d=input()
str_=list()
n=len(d)
for i in range(n):
if d[i] not in str_:
str_+=d[i]
num=len(str_)
print(num) 字符个数统计
http://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
d=input()
str_=list()
n=len(d)
for i in range(n):
if d[i] not in str_:
str_+=d[i]
num=len(str_)
print(num) 相关推荐