题解 | #字符个数统计#
字符个数统计
http://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
str = input()
set1 = set()
list1 = []
for i in str:
set1.add(i)
for i in set1:
list1.append(i)
print(len(list1))
set1 = set()
list1 = []
for i in str:
set1.add(i)
for i in set1:
list1.append(i)
print(len(list1))
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