Python

Python

1. Created by Guido van Rossum

2. Data types

   • Int str float list dict tuple set bool
     • Indexing: [0, 1, 2, 3] Reverse Indexing:[0 -3 -2 -1] Slicing:[start : stop : step]
     • Lists: ordered, mutable
       • List methods
         • .append() .extend() .pop() .del() .sort() .reverse()
     • String: Ordered, Immutable
       • String methods and functions
         • Concatenation Dot formatting Float formatting f string
     • Dictionary: Unordered, Mutable
       • .keys() .values() .items()
     • Tuples: Immutable,
       • Tuple methods
         • .count() .index()
     • Sets: Unordered
     • Boolean
       • True False