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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 cli(obj, show_userinfo):
 """Display logged in user or full userinfo."""

    client = obj['client']
    userinfo = client.userinfo()
    if show_userinfo:
        for k, v in userinfo.items():
            if isinstance(v, list):
                v = ', '.join(v)
            click.echo('{:20}: {}'.format(k, v))
    else:
        click.echo(userinfo['preferred_username'])