old_contents: """
  Functional programming means that you're allowed to pass 
  functions around just as if they were variables or values. 
  """
  
  my_list = range(16)
  print filter(lambda x: x % 3 == 0, my_list)
  
  languages = ["HTML", "JavaScript", "Python", "Ruby"]
  print filter(lambda x: x == "Python", languages)
  
  squares = [x**2 for x in range(1, 11)]
  print filter(lambda x: 30 <= x <= 70, squares)
new_contents: """
  Functional programming means that you're allowed to pass 
  functions around just as if they were variables or values. 
  """
  
  my_list = range(16)
  print filter(lambda x: x % 3 == 0, my_list)
  
  languages = ["HTML", "JavaScript", "Python", "Ruby"]
  print filter(lambda x: x == "Python", languages)
  
  squares = [x**2 for x in range(1, 11)]
  print filter(lambda x: 30 <= x <= 70, squares)
  
  garbled = "IXXX aXXmX aXXXnXoXXXXXtXhXeXXXXrX sXXXXeXcXXXrXeXt mXXeXsXXXsXaXXXXXXgXeX!XX"
  
  message = filter(lambda x: x != "X", garbled)
  print message
subject: update script for functional programming