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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 bridge_to_vlan(br):
    '''
    Returns the VLAN ID of a bridge.

    Args:
        br: A string - bridge name

    Returns:
        VLAN ID of the bridge. The VLAN ID is 0 if the bridge is not a fake
        bridge.  If the bridge does not exist, False is returned.

    CLI Example:

    .. code-block:: bash

        salt '*' openvswitch.bridge_to_parent br0
    '''
    cmd = 'ovs-vsctl br-to-vlan {0}'.format(br)
    result = __salt__['cmd.run_all'](cmd)
    if result['retcode'] != 0:
        return False
    return int(result['stdout'])