data_real# SolutionData.data_real(expression=None, convert_to_SI=False)# Retrieve the real part of the data for an expression. Parameters: expressionstr, NoneName of the expression. The default is None, in which case the active expression is used. convert_to_SIbool, optionalWhether to convert the data to the SI unit system. The default is False. Returns: listList of the real data for the expression.