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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 is_null_like(x):
 """ Determine whether an object is effectively null. :param object x: Object for which null likeness is to be determined. :return bool: Whether given object is effectively "null." """

    return x in [None, ""] or \
        (coll_like(x) and isinstance(x, Sized) and 0 == len(x))