题解 | #字符个数统计python3#
字符个数统计
http://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
while True:
try:
str = ''.join(set(input()))
count = 0
for i in str:
if 0 <= ord(i) <= 127:
count += 1
print(count)
except:
break
