docstr: Returns the total number of roots of G_2"
code: def roots(self):
      """
      Returns the total number of roots of G_2"
      """
      return 12
  
file_path: sympy/sympy/liealgebras/type_g.py
imports: from .cartan_type import Standard_Cartan
  from sympy.core.backend import Matrix
label_desc: Use image node_id 5 for calling the TypeG obj's underlying member method code with example usage: obj.roots() and returns: int