题解 | #字符个数统计#
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
ls = input()
temp = []
num = 0
for i in ls:
if i in temp:
continue
else:
temp.append(i)
num += 1
print(num)
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
ls = input()
temp = []
num = 0
for i in ls:
if i in temp:
continue
else:
temp.append(i)
num += 1
print(num)
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