text: #!/usr/bin/env python3
  # -*- coding: utf-8 -*-
  """
  Created on Tue Feb 14 14:53:31 2017
  
  @author: coskun
  """
  
  cube = 29
  epsilon = 0.01
  guess = 0.0
  increment = 0.001
  num_guesses = 0
  
  while abs(guess**3 -cube) >= epsilon and guess <= cube:
      guess += increment
      num_guesses += 1
  print("number of guess= ", num_guesses)
  if abs(guess**3 - cube) >= epsilon:
      print("failed on cube root of", cube)
  else:
      print(guess, "is close enoght to cube root of", cube)
  