Can "it was" be written as "it's" for short?

Can “it was” be written as “it’s” for short?

It was no use arguing with stupid people (Past Simple). as
It’'s no use arguing with stupid people (Past Simple). ??

No, It can’t. ‘It’s’ always means ‘it is’.

That’s not quite correct, it doesn’t always mean ‘it is’. Throw in a past participle, and it means ‘it has’.

It’s been 3 days since we spoke. (it’s = it has; present perfect)

But no, it can’t represent ‘it was’, only ‘it is’ or ‘it has’.

T’was was often used at one time.

T’was the night before Xmas …

Thank you very much!!!