word-change
代码说明:
接收从键盘输入的字符串(字符串中包含数字、大写字符、小写字符及标点符号等等,字符串以回车符作为结束符),编写程序将其中的小写字符转换成大写字符,然后将转换后的字符串显示在屏幕上。(Receiving (string contains numbers, uppercase characters, lowercase characters and punctuation marks, etc., as the end string carriage return character) a string of keyboard input, write a program in which lowercase characters to uppercase characters, and then the converted string is displayed on the screen.)
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