def _print_Function(self, expr):
        if expr.func.__name__ in self.known_functions:
            cond_mfunc = self.known_functions[expr.func.__name__]
            for cond, mfunc in cond_mfunc:
                if cond(*expr.args):
                    return "%s[%s]" % (mfunc, self.stringify(expr.args, ", "))
        return expr.func.__name__ + self.stringify(expr.args, ", ") % "[%s]"
dataset/ETHPy150Open sympy/sympy/sympy/printing/mathematica.py/MCodePrinter._print_Function/swapped operands of `%`