Python for AI | Incognition

Python for AI

Python for AI

Take the Python you already know and turn it into the toolkit real AI work runs on — collections, files, text, and objects.

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Grouping Values That Belong Together

Tuples Can't Change

Unpacking a Tuple

Collections Without Duplicates

Sets Have No Order

Checking If Something Is There

Tuples and Sets, Side by Side

Everything From Either Set

Only What They Share

What One Has and the Other Doesn't

Which Comparison Do You Need?

Labels Instead of Positions

Changing a Dictionary

When a Key Doesn't Exist

Looping Through a Dictionary

Looping Through Pairs

Lists Inside Lists

Lists of Dictionaries

Choosing the Right Collection

Why Programs Need Files

Writing Your First File

Reading It Back

Closing Files Automatically

Starting a New Line

Reading Line by Line

Getting Rid of the Line Break

Naming and Finding Files

Writing Erases What Was There

A Spreadsheet Is Just Text

Splitting a Line Yourself

Turning Rows Into Lists

When Splitting Goes Wrong

Letting Python Do It

Rows as Dictionaries

Text Has Positions Too

Text Never Changes

Trimming Whitespace

Searching Inside Text

Splitting Text Into Pieces

Joining Pieces Back Together

Formatting Numbers

Cleaning Messy Text

Why Split Code Into Files

What a Module Is

Importing a Module

Importing Just What You Need

Renaming an Import

Creating Your Own Module

Code That Only Runs When You Run the File

The Standard Library

Saving Data as JSON

Putting the Pieces Together

Errors Are Normal

Knowing the Common Errors by Name

Catching an Error

Catching One Specific Error

Handling Different Errors Differently

Always Running Cleanup Code

Raising Your Own Errors

Asking Until You Get Valid Input

You've Been Using Objects All Along

Why Objects Exist

Creating a Class

Setting Up an Object

What self Actually Is

Methods That Change the Object

Printing an Object Nicely

Building a Simple Class