code: def run_fib_with_clear(r):
      
      for i in range(r):
          if randint(RAND_MIN, RAND_MAX) == RAND_MIN:
              fib.cache_clear()
              fib2.cache_clear()
          res = fib(PythonInt(FIB))
          if RESULT != res:
              raise ValueError("Expected %d, Got %d" % (RESULT, res))
docs: Run Fibonacci generator r times.