text: """             Scopes, Closures and Decotations
  Variable Scopes         local scope
                          global scope
                          nonlocal scope
                          nested scopes
  
  Closures                what they are       (They are not equivalent to lambdas!)
                          closure scopes
  
  Decorators              what they are
                          how they are related to closures
                          convience of using
  
  """