old_contents: #!/usr/local/bin/python
  # Code Fights Digits Degree Problem
  
  
  def digitsDegree(n):
      degree = 0
      if n < 10:
          return 0
      while n > 0:
          dig = n % 10
          n = n // 10
          if dig > 0:
              degree += 1
      return degree
  
  
  def main():
      tests = [
          [5, 0],
          [100, 1],
          [91, 2],
          [99, 2]
      ]
  
      for t in tests:
          res = digitsDegree(t[0])
          ans = t[1]
          if ans == res:
              print("PASSED: digitsDegree({}) returned {}"
                    .format(t[0], res))
          else:
              print("FAILED: digitsDegree({}) returned {}, answer: {}"
                    .format(t[0], res, ans))
  
  
  if __name__ == '__main__':
      main()
  
new_contents: #!/usr/local/bin/python
  # Code Fights Digit Degree Problem
  
  
  def digitDegree(n):
      degree = 0
      if n < 10:
          return 0
      while n > 0:
          dig = n % 10
          n = n // 10
          if dig > 0:
              degree += 1
      return degree
  
  
  def main():
      tests = [
          [5, 0],
          [100, 1],
          [91, 2],
          [99, 2]
      ]
  
      for t in tests:
          res = digitDegree(t[0])
          ans = t[1]
          if ans == res:
              print("PASSED: digitDegree({}) returned {}"
                    .format(t[0], res))
          else:
              print("FAILED: digitDegree({}) returned {}, answer: {}"
                    .format(t[0], res, ans))
  
  
  if __name__ == '__main__':
      main()
  
subject: Fix pluralization