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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 list_local():
    '''
    List the locally installed overlays.

    Return a list of installed overlays:

    CLI Example:

    .. code-block:: bash

        salt '*' layman.list_local
    '''
    cmd = 'layman --quietness=1 --list-local --nocolor'
    out = __salt__['cmd.run'](cmd, python_shell=False).split('\n')
    ret = [line.split()[1] for line in out if len(line.split()) > 2]
    return ret