'Handle the help command.'

def help(self, command):

    if (command == 'scan'):
        _help = "                                                scan:\n                                                                Uses    the    SSRF    vulnerability    to    scan    a    host's    port    using    the\n                                                                vulnerable    host    as    proxy.\n\n                                                Examples:\n                                                                scan    127.0.0.1    8080\n                                                                scan    10.0.0.6    80\n                                                "
    else:
        _help = '                                                Available    commands:\n                                                                help                                                                                                                Display    this    information\n                                                                scan                                                                                                                Proxy    port    scanner\n                                                                exit                                                                                                                Exit    this    shell    session\n                                                '
    return textwrap.dedent(_help)
