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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 revoke_access(src, dst='any', port=None, proto=None):
 """ Revoke access to an address or subnet :param src: address (e.g. 192.168.1.234) or subnet (e.g. 192.168.1.0/24). :param dst: destiny of the connection, if the machine has multiple IPs and connections to only one of those have to accepted this is the field has to be set. :param port: destiny port :param proto: protocol (tcp or udp) """

    return modify_access(src, dst=dst, port=port, proto=proto, action='delete')