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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def delete(gandi, address, force):
 """Delete a domain mail forward."""

    source, domain = address

    if not force:
        proceed = click.confirm('Are you sure to delete the domain '
                                'mail forward %s@%s ?' % (source, domain))

        if not proceed:
            return

    result = gandi.forward.delete(domain, source)

    return result