Data Structures

Data Structures

1. Lists: ordered, changeable & allow duplicates

   • can hold elements of different data types
     • Adding an element to a list places it at the end
       • .append()
     • when deleting an element
       • remove the element
         • .remove()
       • pop the index
         • .pop()
     • to access an element in a list
       • [ ]

2. Tuples: ordered, unchangeable, & allow duplicates

   • we cannot update or delete

3. Sets: unordered, unchangeable, reject duplicates

   • you can add or update but not remove
     • adding elements
       • .add()
     • merge sets
       • .update()

4. Dictionaries: ordered, changeable, and does not allow duplicates

   • it can be any data type
   • used to store data values in key:value pairs