class_docstr: Concrete base class for Cartan types such as A4, etc
docstr: Returns the type of the Lie algebra
docstr_tok: ["Returns","the","type","of","the","Lie","algebra"]
code: def series(self):
      """
      Returns the type of the Lie algebra
      """
      return self.series
  
file_path: sympy/sympy/liealgebras/cartan_type.py
imports: from sympy.core import Atom, Basic
label_desc: Use image node_id 3 for calling the Standard_Cartan obj's underlying member method code with example usage: obj.series() and returns: self