问题描述：
英语翻译
Question:Receive a string from the console,write a program to count and display the statistics of letters,spaces ,numbers.and the nembers of other characters in the console.Please describe the algorithm and the steps of the program and mention the input validation.
Question:Receive a string from the console,write a program to count and display the statistics of letters,spaces ,numbers.and the nembers of other characters in the console.Please describe the algorithm and the steps of the program and mention the input validation.
问题解答：
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