text: '''
  lab 2
  '''
  
  #3.1
  my_name = "Tom"
  
  print(my_name)
  
  #3.2
  
  my_id = 123
  print(my_id)
  
  #3.3
  
  # _123=my_id
  my_id = your_id=123
  print(my_id)
  print(your_id)
  
  #3.4
  my_id_str ='123'
  print(type(my_id_str))
  
  #3.5
  
  #print(my_name+my_id)
  
  #3.6
  
  print(my_name + my_id_str)
  
  #3.7
  
  print(my_name*3)
  
  #3.8
  
  print('hello world. This is my first python string.'.split('.'))
  
  #3.9
  
  message = "Tom's id is 123"
  print(message)