Python for Beginners - Lesson 3

Welcome to Python Programming for Beginners

Introduction

Learning Objectives

What is Python?

The Example

Learning Objectives - Getting Set Up

What is Replit?

How to Get Started with Replit

Create Your Repl.it Account

Writing Your First Python Program - Hello World

How to Work with Exercises

[Interactive Coding Exercise] Running Python Scripts

Alternatives to Replit

Learning Objectives - Storing Information

Objects and Variables

[Interactive Coding Exercise] Objects and Variables

Variable Names

[Interactive Coding Exercise] Variable Names

Numbers

[Interactive Coding Exercise] Numbers

Strings

[Interactive Coding Exercise] Strings

Showing Output When Running Python

Learning Objectives - Processing Information

Processing Information

[Interactive Coding Exercise] Processing Information

Indexing

[Interactive Coding Exercise] Indexing

Slices

[Interactive Coding Exercise] Slices

String Functions

Commonly Used String Methods

[Interactive Coding Exercise] String Functions

The ‘input’ Function

[Interactive Coding Exercise] The 'input' Function

More String Operations

[Interactive Coding Exercise] More String Operations

Converting Between Different Types

[Interactive Coding Exercise] Strip ()

[Interactive Coding Exercise] Split ()

[Interactive Coding Exercise] Converting Between Different Types

Mathematical Operations and Precedence Order

Short Hand (in place) Operations

Mathematical Functions

Getting Help

Learning Objectives - Comparing Information

Comparing Information

[Interactive Coding Exercise] Comparing Information

Learning Objectives - Tidying Messy Data

Tidying Messy Data

[Interactive Coding Exercise] Tidying Messy Data

Nested If Blocks

Learning Objectives - Storing Multiple Things

Larger Pieces Of Code

Storing Multiple Things

Introducing Python Lists

[Interactive Coding Exercise] Introducing Python Lists

Adding Items to a List

[Interactive Coding Exercise] Adding Items To A List

Indexing and Slicing Lists

[Interactive Coding Exercise] Indexing And Slicing Lists

Deleting Items in a List

[Interactive Coding Exercise] Deleting Items In A List

Tuples

[Interactive Coding Exercise] Tuples

Long Lines in Python

Dictionaries

[Interactive Coding Exercise] Dictionaries

List Functions - More Ways to Work With Lists

[Interactive Coding Exercise] List Functions - More Ways To Work With Lists

Sets

[Interactive Coding Exercise] Sets

Learning Objectives - Processing Collections

A Simple ‘for’ Loop

[Interactive Coding Exercise] A Simple 'for' Loop

More Complex ‘for’ loops - ‘break’, ‘continue’ and ‘else’

[Interactive Coding Exercise] ‘break’, ‘continue’ and 'else'

The ‘range’ Function - How to Create a List of Numbers

[Interactive Coding Exercise]The ‘range’ function

The ‘while’ Loop - Do Something For a While

[Interactive Coding Exercise]The ‘while’ loop - Do Something For A While

Learning Objectives - Robust Programs - Handling Errors

Robust Programs - Handling Errors

Look Before You Leap

[Interactive Coding Exercise]Look Before You Leap

The Try and Except Block

[Interactive Coding Exercise]The Try and Except Block

The Catch All Block

[Interactive Coding Exercise] The Catch All Block

Your Sample Data and Scripts

Adding Resources to Replit

The Finally Block

Learning Objectives - Saving The Results - Working With Files

Adding Bad Data

Saving The Results - Working With Files

[Interactive Coding Exercise] Saving The Results - Working With Files

Binary File Modes

Text File Modes

[Interactive Coding Exercise] Text File Modes

About Text File Modes

The With Statement

[Interactive Coding Exercise] The With Statement

Learning Objectives - Breaking Up Larger Programs, Part 1

About Replit.config

Breaking Up Larger Programs

Functions

[Interactive Coding Exercise] Functions

Function Parameters

[Interactive Coding Exercise] Function Parameters

Local Versus Global Variables

About Local Versus Global Variables

[Interactive Coding Exercise] Local Versus Global Variables

Positional And Keyword Parameters

[Interactive Coding Exercise] Positional And Keyword Parameters

Return Statement

[Interactive Coding Exercise] Return Statement

About Working With JSON

Working With JSON

[Interactive Coding Exercise] Working With JSON

Code Comments And Clear Code

[Interactive Coding Exercise] Code Comments And Clear Code

Learning Objectives - Summarising and Presenting the Results

About Summarising and Presenting the Results

Summarising And Presenting The Results Part 1

Cleaning the Data

Summarising And Presenting The Results Part 2

[Interactive Coding Exercise] Summarising And Presenting The Results

More Numeric Functions - Min, Max, Sum

[Interactive Coding Exercise] More Numeric Functions - Min, Max, Sum

Formatted Strings, f-strings

[Interactive Coding Exercise] Formatted Strings, f-strings

Learning Objectives - Breaking Up Larger Programs, Part 2

About Breaking Up Larger Programs, Part 2

Splitting Code Into Modules

Namespaces

About Namespaces

[Interactive Coding Exercise] Namespaces

About medals_by_country_and_type

Using Our Modules

[Interactive Coding Exercise] Using Our Modules

Learning Objectives - Getting Set Up On a PC or MAC

Getting Set Up

Starting Python on Windows 10

Starting a Terminal on Mac OS

Starting Python on Mac OS

Starting a Terminal or Command Prompt on Windows

Installing Python on Windows

Installing Python on MacOS

Quick Python Test - Running Python

Python Scripts and IDLE

Code Editors and IDEs

Running Python Scripts