Is it fine to put 'also' at the end of a sentence?

[Tan Elaine]

If we are kind to others, others will be kind to us also.

Is it fine to put 'also' at the end of the above sentence?

Thanks.

 

[Ilki]

If we are kind to others, others will be kind to us also.

Is it fine to put 'also' at the end of the above sentence?

Thanks.

Yes.

 

[bhaisahab]

If we are kind to others, others will be kind to us also.

Is it fine to put 'also' at the end of the above sentence?

Thanks.

It's unnecessary.