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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 getstrs(self):
 """Retrieve the dimension standard string attributes. Args:: no argument Returns:: 3-element tuple holding: -dimension label (attribute 'long_name') -dimension unit (attribute 'units') -dimension format (attribute 'format') An exception is raised if the standard attributes have not been set. C library equivalent: SDgetdimstrs """


        status, label, unit, format = _C.SDgetdimstrs(self._id, 128)
        _checkErr('getstrs', status, 'cannot execute')
        return label, unit, format