Appending: Code

 #APPENDING TO LIST
 print("Copying list from one to another")
 my_favorite_foods = ['pizza', 'rice', 'cake']
 friends_favorite_foods = my_favorite_foods[:]
 #APPEND
 print("Append new food items")
 my_favorite_foods.append('fruits')
 friends_favorite_foods.append('ice cream')
 Print
 print("My favorite foods are:")
 print(my_favorite_foods)
 print("\nMy friend's favorite foods are:")
 print(friends_favorite_foods)

Results:

Append new food items
 My favorite foods are:
 ['pizza', 'rice', 'cake', 'fruits', 'ice cream']
 My friend's favorite foods are:
 ['pizza', 'rice', 'cake', 'fruits', 'ice cream']