练11.2 间隔输出
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说明
写一函数,输入一个四位数字,要求输出这四个数字字符,但每两个数字间有一个空格。如输入 ,应输出 1 9 9 0
。
输入格式
一个四位数。
输出格式
增加空格输出。
样例
1990
1 9 9 0
回复让步
- Status
- Done
- Rule
- Ledo
- Problem
- 6
- Start at
- 2024-3-29 15:15
- End at
- 2024-3-29 15:45
- Duration
- 0.5 hour(s)
- Host
- Partic.
- 3