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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_package_version(module_obj, value):
 """Get the version of a package or a module's package. :param object module_obj: The module that was imported for the consumer :param str value: The namespaced module path or package name :rtype: str or None """

    for key in ['version', '__version__']:
        if hasattr(module_obj, key):
            return getattr(module_obj, key)
    parts = value.split('.')
    for index, part in enumerate(parts):
        try:
            return pkg_resources.get_distribution(
                '.'.join(parts[0:index + 1])).version
        except (pkg_resources.DistributionNotFound,
                pkg_resources.RequirementParseError):
            continue