题解 | #字符个数统计#
字符个数统计
http://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
while True:
try:
a = input()
b = set(a) #提取a中不重复的字符
print(len(b))
except:
break
字符个数统计
http://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
while True:
try:
a = input()
b = set(a) #提取a中不重复的字符
print(len(b))
except:
break
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