题解 | #字符个数统计#
字符个数统计
http://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
string = input()
result = []
for i in string:
if i not in result:
result.append(i)
print(len(result))
字符个数统计
http://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
string = input()
result = []
for i in string:
if i not in result:
result.append(i)
print(len(result))
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