anchor.diff:  #|
       The main function that is called, this then in turn calls the secondary function that handles
       all the command arguments. Also passing in the values arguments. Initially this is nil.
  +
  +    psuedo
  +        fl-interp (E P)
  +            interp (E P nil)
   |#
   (defun fl-interp (E P)
       (interp E P nil)
  
positive.code:     already implemented by lisp already and also those functions that are defined by users.
  
      That function then ends up calling the other functions that aid in solving the function.
  |#
  
  (defun interp (E P values)
  
negative.code: 
  #|
      Handling the user defined function arguments
      psudeo
          if (first element L) == '=
              nil
          else 
             cons((first element L) (userDefinedArgs (rest element in L)))
  |#
  (defun userDefinedArgs (L)
  
  