PROGRAMMING:Remove duplicate values from the list
Remove duplicate values from a list， the relative position of different elements in the list should not be changed.
### input format:
### output format:
### input sample:
```in
[4,7,5,6,8,6,9,5]
```
### output sample:
```out
4 7 5 6 8 9
```
Tip: The strings "[1,3,5]" can be converted to a list using the eval() function.
answer：If there is no answer, please comment
### input format:
### output format:
### input sample:
```in
[4,7,5,6,8,6,9,5]
```
### output sample:
```out
4 7 5 6 8 9
```
Tip: The strings "[1,3,5]" can be converted to a list using the eval() function.
answer：If there is no answer, please comment