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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 get_pending_component_servicing():
    '''
    Determine whether there are pending Component Based Servicing tasks that
    require a reboot.

    .. versionadded:: 2016.11.0

    Returns:
        bool: ``True`` if there are pending Component Based Servicing tasks,
        otherwise ``False``

    CLI Example:

    .. code-block:: bash

        salt '*' system.get_pending_component_servicing
    '''
    key = r'SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\RebootPending'

    # So long as the registry key exists, a reboot is pending.
    if __utils__['reg.key_exists']('HKLM', key):
        log.debug('Key exists: %s', key)
        return True
    else:
        log.debug('Key does not exist: %s', key)

    return False