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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 has_na(eqdata):
 """ Return false if `eqdata` contains no missing values. Parameters eqdata : DataFrame or ndarray Data to check for missing values (NaN, None) Returns answer : bool False iff `eqdata` contains no missing values. """

    if isinstance(eqdata, pd.DataFrame):
        _values = eqdata.values
    else:
        _values = eqdata
    return len(_values[pd.isnull(_values)]) > 0