题解 | #字符个数统计#
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
astr = input()
record = []
for chr in astr:
if 0 <= ord(chr) <= 127 and chr not in record:
record.append(chr)
print(len(record))
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
astr = input()
record = []
for chr in astr:
if 0 <= ord(chr) <= 127 and chr not in record:
record.append(chr)
print(len(record))
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