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()
c = ''
for i in s :
if ord(i) <= 127 and ord(i) >= 0 and ord(i) != 10 and i not in c:
c += i
else:
continue
print(len(c))
except:
break
，感觉有些诈骗短信就这么发的