题解 | #单词的长度#
单词的长度
https://www.nowcoder.com/practice/3236759a8bcd43819cfd2b7eb4a9eebb
a=input()
print(a.lower())
print(a.upper())
print(a.title())
单词的长度
https://www.nowcoder.com/practice/3236759a8bcd43819cfd2b7eb4a9eebb
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