old_contents: #!/usr/bin/env python
  
  # Exercise 3: Numbers and Math
  
  # order of operations: PEMDAS
  
  print "I will now count my chickens:"
  
  print "Hens", 25 + 30 / 6
  print "Roosters", 100 - 25 * 3 % 4
  
  print "Now I will count the eggs:"
  
  print 3 + 2 + 1 - 5 + 4 % 2 - 1 / 4 + 6
  
  print "Is it true that 3 + 2 < 5 - 7?"
  
  print 3 + 2 < 5 - 7
  
  print "What is 3 + 2?", 3 + 2
  print "What is 5 - 7?", 5 - 7
  
  print "Oh, that's why it's False."
  
  print "How about some more."
  
  print "Is it greater?", 5 > -2
  print "Is it greater or equal?", 5 >= -2
  print "Is it less or equal?", 5 <= -2
  
  print 1.2 + 3.2
  
new_contents: #!/usr/bin/env python
  
  # Exercise 3: Numbers and Math
  
  # order of operations: PEMDAS
  
  print "I will now count my chickens:"
  
  print "Hens", 25 + 30 / 6
  print "Roosters", 100 - 25 * 3 % 4
  
  print "Now I will count the eggs:"
  
  print 3 + 2 + 1 - 5 + 4 % 2 - 1 / 4 + 6
  
  print "Is it true that 3 + 2 < 5 - 7?"
  
  print 3 + 2 < 5 - 7
  
  print "What is 3 + 2?", 3 + 2
  print "What is 5 - 7?", 5 - 7
  
  print "Oh, that's why it's False."
  
  print "How about some more."
  
  print "Is it greater?", 5 > -2
  print "Is it greater or equal?", 5 >= -2
  print "Is it less or equal?", 5 <= -2
  
  print 1.2 + 3.2
  
  print 1 / 500
  
  print 3.14 * 2 * 200
  
  print 1.0 / 20
  
subject: update ex03