Data Structures

Data Structures

1. They are all used to store multiple items in a single variable.

   • They take all data types.

2. LIsts

   • Square brackets
     • Ordered and changeable. Items can be indexed and moved around.
       • Data type, "list"
   • pets = ["dog", "cat", "tarantula", "fish"]

3. Tuples

   • fruit = ("apple", "banana", "tomato")
   • Round parens
     • Ordered.
       • Unchangeable.
         • Allow duplicates

4. Sets

   • Unordered and unindexed. You cannot know what item will be returned.
     • Unchangeable, but can add new items.
       • No duplicates.
   • Curly brackets.
     • soda = {"Cola", "Pop", "Soda", "Seltzer"}

5. Dictionaries

   • Contain k:v pairs
     • Also curly brackets...
       • Unordered, unchangeable, no duplicates.