def _is_numeric ( self , values ) : if len ( values ) > 0 : assert isinstance ( values [ 0 ] , ( float , int ) ) , "values must be numbers to perform math operations. Got {}" . format ( type ( values [ 0 ] ) ) return True
python check if numerical value or not
Check to be sure values are numbers before doing numerical operations .
def _is_numeric(self, values):
        """Check to be sure values are numbers before doing numerical operations."""
        if len(values) > 0:
            assert isinstance(values[0], (float, int)), \
                "values must be numbers to perform math operations. Got {}".format(
                    type(values[0]))
        return True