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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 import_object_ns(name_space, import_str, *args, **kwargs):
 """Tries to import object from default namespace. Imports a class and return an instance of it, first by trying to find the class in a default namespace, then failing back to a full path if not found in the default namespace. """

    import_value = "%s.%s" % (name_space, import_str)
    try:
        return import_class(import_value)(*args, **kwargs)
    except ImportError:
        return import_class(import_str)(*args, **kwargs)