题解 | #字符个数统计#
字符个数统计
http://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
def counts(s):
l = {i for i in s if ord(i) in range(0,128) and ord(i) != ord("\n")}
print(len(l))
while True:
try:
s = input()
counts(s)
except:
break
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