old_contents: 
  x = 5
  y = x*5
  z = 0
  for i in range(11):
      z += i
  
  k = 0
  
  while k + x <= 30:
      if k == 8:
          print("hej")
      elif k < 3:
          k += 1
      else:
          k += 10
  
  print(x)
  print(y)
  print(z)
  
new_contents: 
  x = 5
  y = x*5
  z = 0
  for i in range(11):
      z += i
  
  k = 0
  
  while k + x <= 30:
      if k == 8:
          print("hej")
      elif k < 3:
          k += 1
      else:
          k += 10
  
  print(x)
  print(y)
  print(z)
  	
subject: test file