code: def enumerate_builtins(tokens):
      
      out = []
      for index, tok in enumerate(tokens):
          token_type = tok[0]
          token_string = tok[1]
          if token_string in builtins:
              # Note: I need to test if print can be replaced in Python 3
              special_special = ['print'] # Print is special in Python 2
              if py3:
                  special_special = []
              if token_string not in special_special:
                  if not token_string.startswith('__'): # Don't count magic funcs
                      if tokens[index-1][1] != '.' and tokens[index+1][1] != '=':
                          if token_string not in out:
                              out.append(token_string)
      return out
docs: Returns a list of all the builtins being used in *tokens*.