#T612. 将字符串中的小写字母转换成大写字母
将字符串中的小写字母转换成大写字母
Description
Given a string, convert all lowercase letters in it to uppercase letters.
Input Format
Input one line containing a string (length does not exceed 100, may contain spaces).
Output Format
Output the converted string.
```input1 helloworld123Ha```output1
HELLOWORLD123HA
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