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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 del_bridge_port(name, port):
    ''' Delete a port from the named openvswitch bridge '''
    log('Deleting port {} from bridge {}'.format(port, name))
    subprocess.check_call(["ovs-vsctl", "--", "--if-exists", "del-port",
                           name, port])
    subprocess.check_call(["ip", "link", "set", port, "down"])
    subprocess.check_call(["ip", "link", "set", port, "promisc", "off"])