old_contents: # LPTHW Exercise 5 -- More Variables and Printing
  
  my_name = 'Zed A. Shaw'
  my_age = 35 # not a lie
  my_height = 74 # inches
  my_weight = 180 # lbs
  my_eyes = 'Blue'
  my_teeth = 'White'
  my_hair = 'Brown'
  
  print "Let's talk about %s." % my_name
  print "He's %d inches tall." % my_height
  print "He's %d pounds heavy." % my_weight
  print "Actually that's not too heavy."
  print "He's got %s eyes and %s hair." % (my_eyes, my_hair)
  print "His teeth are usually %s depending on the coffee." % my_teeth
  
  # this line is tricky, try to get it exactly right
  print('If I add %d, %d, and %d, I get %d.' % (my_age, my_height, 
         my_weight, my_age + my_height + my_weight))
new_contents: # LPTHW Exercise 5 -- More Variables and Printing
  
  name = 'Zed A. Shaw'
  age = 35 # not a lie
  height = 74 * 2.54 # cm
  weight = 180 / 2.2 # kgs
  eyes = 'Blue\\'
  teeth = 'White'
  hair = 'Brown\\'
  num_teeth = 'two'
  
  print "Let's talk about %s." % name
  print "He's %d centimeters tall." % height
  print "He's %d kilograms heavy." % weight
  print "Actually that's not too heavy."
  print "He's got %s eyes and %r hair." % (eyes, hair)
  print "His %r teeth are usually %s depending on the coffee." % (num_teeth, teeth)
  
  # this line is tricky, try to get it exactly right
  print('If I add %d, %d, and %d, I get %d.' % (age, height, 
        weight, age + height + weight))
subject: complete exercise 5 including drills