text: from ..__init__ import *
  
  from sympy import symbols
  
  
  """
  global_symbols("")
   = symbols("")
  
  global_players("")
   = Pl("")
  
  global_actions("")
   = Ac("")
  
   = Ou("", ac=True)
   = Ou("", ac=False)
  
  T = Tree("", ro=)
  
  OuN("", ou=)
  
  PoN("", su={ })
  PrN("", pr={ : })
  DeN("", pl=, co={ : })
  
  T.make_globals()
  """