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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 DEFAULT_NULLVALUE(test):
 """ Returns a null value for each of various kinds of test values. **Parameters** **test** : bool, int, float or string Value to test. **Returns** **null** : element in `[False, 0, 0.0, '']` Null value corresponding to the given test value: * if `test` is a `bool`, return `False` * else if `test` is an `int`, return `0` * else if `test` is a `float`, return `0.0` * else `test` is a `str`, return `''` """

    return False if isinstance(test,bool) \
           else 0 if isinstance(test,int) \
           else 0.0 if isinstance(test,float) \
           else ''