题解 | #字符个数统计#
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
a = input()
def string_count(a):
b = ""
for i in a:
if i not in b:
b += i
return len(b)
print(string_count(a))
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
a = input()
def string_count(a):
b = ""
for i in a:
if i not in b:
b += i
return len(b)
print(string_count(a))
相关推荐