题目 1034:
[编程入门]自定义函数之数字分离
时间限制: 2s
内存限制: 192MB 提交: 35352 解决: 23962
题目描述
写一函数，输入一个四位数字，要求输出这四个数字字符，但每两个数字间空格。如输入1990，应输出"1 9 9 0"。
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