题解 | #字符个数统计#
字符个数统计
http://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
my_input = input().strip()
my_set = set()
for i in range(len(my_input)):
my_set.add(my_input[i])
print(len(my_set))
字符个数统计
http://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
my_input = input().strip()
my_set = set()
for i in range(len(my_input)):
my_set.add(my_input[i])
print(len(my_set))
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