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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_axes(process_or_domain):
 """Returns a dictionary of all Axis in a domain or dictionary of domains. :param process_or_domain: a process or a domain object :type process_or_domain: :class:`~climlab.process.process.Process` or :class:`~climlab.domain.domain._Domain` :raises: :exc: `TypeError` if input is not or not having a domain :returns: dictionary of input's Axis :rtype: dict :Example: :: {'lat': <climlab.domain.axis.Axis object at 0x7ff13b9dd2d0>, 'depth': <climlab.domain.axis.Axis object at 0x7ff13b9dd310>} """

    if isinstance(process_or_domain, Process):
        dom = process_or_domain.domains
    else:
        dom = process_or_domain
    if isinstance(dom, _Domain):
        return dom.axes
    elif isinstance(dom, dict):
        axes = {}
        for thisdom in list(dom.values()):
            assert isinstance(thisdom, _Domain)
            axes.update(thisdom.axes)
        return axes
    else:
        raise TypeError('dom must be a domain or dictionary of domains.')