code: def variables(names, **kwargs):
      
      return symbols(names, cls=Variable, seq=True, **kwargs)
docs: Convenience function for the creation of multiple variables. For more
      control, consider using ``symbols(names, cls=Variable, **kwargs)`` directly.
  
      :param names: string of variable names.
          Example: x, y = variables('x, y')
      :param kwargs: kwargs to be passed onto :func:`sympy.core.symbol.symbols`
      :return: iterable of :class:`symfit.core.argument.Variable` objects