<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def show_banner(ctx, param, value):
 """Shows dynaconf awesome banner"""

    if not value or ctx.resilient_parsing:
        return
    set_settings()
    click.echo(settings.dynaconf_banner)
    click.echo("Learn more at: http://github.com/rochacbruno/dynaconf")
    ctx.exit()