London | 26-SDC-Mar | Mariia Serhiienko | Sprint 5 |Prep exercises

[Konvaly]

Self checklist

• I have titled my PR with Region | Cohort | FirstName LastName | Sprint | Assignment Title
• My changes meet the requirements of the task
• I have tested my changes
• My changes follow the style guide

Completed all prep exercises for Sprint 5: Types and typechecking.

Exercises completed:

• Step 1: Why we use types - predicted and tested type behaviour in Python
• Step 2: Type checking with mypy - added type annotations, found and fixed bugs
• Step 3: Classes and objects - used classes for type safety over dictionaries
• Step 4: Methods - converted free functions to methods, used datetime.date
• Step 5: Dataclasses - used @DataClass decorator with frozen=True
• Step 6: Generics - used List["Person"] for type-safe lists
• Step 7: Type-guided refactorings - used mypy to guide code changes
• Step 8: Enums - built laptop library program with user input and enum validation
• Step 9: Inheritance - predicted Parent/Child class behaviour