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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 main():
 """Do some stuff"""

    # Parse all command line argument
    args = parse_arguments().parse_args()

    # Setup logging
    configure_logging(args)
    logging.debug(args)

    # Prompt for a password if necessary
    if not args.password:
        password = getpass.getpass(prompt='Password ({0}): '.format(args.user))
    else:
        password = args.password

    # Create an instance of ADQuery which sets up a single
    # connection used for querying, for all AD object types
    ldap_url = 'ldap://{0}:{1}'.format(args.host, args.port)
    adq = ADQuery(user=args.user, password=password, page_size=args.page_size,
                  ldap_url=ldap_url, tls_no_verify=args.tls_no_verify)
    if args.subcommand == 'user':
        adu = ADUser(adq)
        users = adu.users(base_dn=args.base_dn, attributes=args.attributes,
                          samaccountnames=args.samaccountnames,
                          explicit_membership_only=args.explicit_membership_only)
        users = object_filter(users, args.grep)
        print(serialize([u.to_dict() for u in users],
                        output_format=args.output_format, attributes_only=args.attributes_only))
    elif args.subcommand == 'group':
        adg = ADGroup(adq)
        groups = adg.groups(base_dn=args.base_dn, attributes=args.attributes,
                            samaccountnames=args.samaccountnames,
                            explicit_membership_only=args.explicit_membership_only)
        groups = object_filter(groups, args.grep)
        print(serialize([g.to_dict() for g in groups],
                        output_format=args.output_format, attributes_only=args.attributes_only))
    elif args.subcommand == 'computer':
        adg = ADComputer(adq)
        computers = adg.computers(base_dn=args.base_dn, attributes=args.attributes,
                                  samaccountnames=args.samaccountnames)
        computers = object_filter(computers, args.grep)
        print(serialize([c.to_dict() for c in computers],
                        output_format=args.output_format, attributes_only=args.attributes_only))