I need a charger for my MacBook pro

No, we can't do that.

Readers here are other users like you. We are not Apple, but are willing to discuss your issues!

That blocky item that plugs into the wall is a Power Adapter -- the CHARGER is inside your Mac. The charger is completely under program control, applying power-adapter power to charge the battery only when needed, and not otherwise.

Exactly what model-year and screen size is your MacBook Pro?

You will have to buy one: Identify your Mac power adapter - Apple Support. Since you did not provide any details about your MacBook Pro (there are literally dozens of different models) please review that document to identify the correct power adapter for your specific model.

Identify your MacBook Pro model - Apple Support

No