PROGRAMMING:Hollow diamond
Please write a program to output hollow diamond.
####Input format
>Number of rows (positive integer)
####Output format
>If the number of rows is odd, the empty diamond outlined by the asterisk will be displayed, otherwise the error message will be displayed.
####Input sample 1
```in
five
```
####Output sample 1
```out
*
* *
* *
* *
*
```
####Input sample 2
```in
eight
```
####Output sample 2
```out
Error
```
answer：If there is no answer, please comment
####Input format
>Number of rows (positive integer)
####Output format
>If the number of rows is odd, the empty diamond outlined by the asterisk will be displayed, otherwise the error message will be displayed.
####Input sample 1
```in
five
```
####Output sample 1
```out
*
* *
* *
* *
*
```
####Input sample 2
```in
eight
```
####Output sample 2
```out
Error
```
answer：If there is no answer, please comment