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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 find_spec(cls, fullname, path=None, target=None):
 """find the module on sys.path or 'path' based on sys.path_hooks and sys.path_importer_cache."""

        if path is None:
            path = sys.path
        spec = cls._get_spec(fullname, path, target)
        if spec is None:
            return None
        elif spec.loader is None:
            namespace_path = spec.submodule_search_locations
            if namespace_path:
                # We found at least one namespace path.  Return a
                #  spec which can create the namespace package.
                spec.origin = 'namespace'
                spec.submodule_search_locations = _NamespacePath(fullname, namespace_path, cls._get_spec)
                return spec
            else:
                return None
        else:
            return spec