new_contents: print "Mary had a little lamb."
  print "Its fleece was white as %s." % 'snow'
  print "." * 10 #xx
  
  end1 = "C"
  end2 = "h"
  end3 = "e"
  end4 = "e"
  end5 = "s"
  end6 = "e"
  end7 = "B"
  end8 = "u"
  end9 = "r"
  end10 = "g"
  end11 = "e"
  end12 = "r"
  
  
  #watch
  print end1 + end2+end3+end4+end5+end6,
  print end7+end8+end9+end10+end11+end12
  
  #watch
  print end1 + end2+end3+end4+end5+end6
  print end7+end8+end9+end10+end11+end12
  
subject: add ex7