text: 
  #练习运算符,继续进行打印
  
  def main():
      print("I will now count my chickens")
      print("Hens", 25+30/6,20)
      print("Roosters", 100-25*3%4)
      print(3+2<5-7)
      x = "I am a boy, I am %d year old" % 10
      print(x)
  
      print("."*10)
      print('''I 'd like "said" I am boy''')
  
  
      format = "%r %r %r %r"
      print(format % (1,2,3,4))
      print(format % ("a","b",3,'d'))
  
  
  if __name__ == "__main__":
      main()