Lists, Tuples, Sets and Dictionaries

Lists, Tuples, Sets and Dictionaries

1. myList = ["lemon", "banana", True, "lemon", 4, 15]

   • ordered
     • changeable
       • allow duplicates
   • to append element to end of existing list:
     • myList.append("apple")
     • to remove element from list:
       • myList.remove("lemon")
         • only removes FIRST instance of "lemon"
       • myList.pop(3)
         • removes element at index 3
   • to access specific element in list:
     • item = myList[4]

2. myTuple = ("mouse", 33, True, 1888, "guru")

   • ordered
     • unchangeable
       • allow duplicattes
   • anotherTuple = ("Captain Jack Sparrow",)
   • item = myTuple[1]
   • lastItem = myTuple[-1]
   • subtuples
     • print(myTuple[1, 3])

3. mySet = {"lemon", "banana", True, 4, 15}

   • unordered
     • unchangeable
       • reject duplicates
   • to check if element exists in set:
     • print("apple" in mySet)
       • FALSE
     • print("banana" in mySet)
       • TRUE
     • to add element to set:
       • mySet.add("orange")
   • newSet = {"face", "elbow", 32}
     • mySet.update(newSet)
       • print(mySet)

4. houseForRent = {"style": "American Craftsman", "bedrooms": 3, "bathrooms": 2, "rent": 2500, "available": True}

   • key : value
     • to add new key:value
       • houseForRent["color": "white"