Python Debugging with Visual Studio Code: A Complete Guide

Name: Python Debugging with Visual Studio Code: A Complete Guide
Rating: 4.7 (114 reviews)

Master Python Debugging in VSCode: Unittest, Pytest, Docker, Cloud Debugging & Hands-On Scenarios with Flask, AWS, Azure

Created byLearning From Experience, Ayan Dutta

Last updated 11/2025

English

English [Auto],

What you'll learn

Debug Python programs confidently using Visual Studio Code
Master essential debugging tools like breakpoints and variable inspection
Solve real-world coding issues with hands-on examples
Get equipped with the skills to handle real life debugging issues
Apply advanced debugging techniques like Conditional and Exception breakpoints

Course content

11 sections • 60 lectures • 4h 16m total length

Course Introduction2:39
Udemy Tips (Important)1:49
Adjust playback speed to 1.5x or 2x, and set video quality to 720p for reliable viewing. Rate the course thoughtfully, using 'ask me later' or rating at the end.
How To Go Through The Course (Important)0:28
Important : Code Repositories used in the course0:34
Join Our Online Community (Slack)0:09

Setup VS Code With Project Source Code3:32
Avoid ModuleNotFoundError: Open the Correct Folder in VS Code4:31
If you're seeing ModuleNotFoundError while running the provided Python code, it's likely due to opening the wrong folder in VS Code.
In this short video, you'll learn:
The correct way to open the project in VS Code
Why opening a subfolder causes import issues
How to fix the problem by choosing the right workspace root folder
⚠️ Tip: Always open the folder that contains .vscode/settings.json — not the inner src or project folders.
This step is critical for the debugger to locate your modules correctly.
Place Breakpoints and Run a Program in Debug Mode5:03
Control a Program Execution During Debugging4:13
Inspecting Variables During a Debugging Session3:39
Evaluating Expressions Using Debug Console and Watch4:35
Step into Target and Run to Cursor4:09
Using Conditional Breakpoint3:56
Using Exception Breakpoints10:31
Using Logpoints3:00
Use of Call Stack4:36
Control Stepping into Libraries2:49
Managing Breakpoints in VS Code2:36
Manage breakpoints in VS Code for a Python project, including log points, conditional, and normal breakpoints; edit conditions, remove or disable breakpoints, and double-click to open and highlight the line.

Debug Jupyter Notebooks with VSCode6:18
Install the Jupyter extension in VSCode, set up ipykernel, and learn to run and debug Jupyter notebooks with kernels, breakpoints, and the debug toolbar.
How to Run and Debug Python unittest8:13
How to Run and Debug Python Pytest6:39
How to Use Docker Extension in VS Code7:31
How to Create and Debug Flask Application in VS Code4:50
How to Debug Dockerized Flask Application in VS Code8:01
Learn to run and debug a dockerized flask application from VS Code by setting up Docker, the Dockerfile, and docker-compose, enabling remote debugging with debugpy on port 5678.
How to Create and Debug Django Application in VS Code5:33
How to Debug Dockerized Django Application in VS Code6:30
How to Create and Debug FastAPI Application in VS Code3:57
How to Debug Dockerized FastAPI Application in VS Code5:38

AWS CLI and AWS SAM CLI Installation5:03
Install and configure the AWS CLI and AWS SAM CLI on Windows, using the MSI installer, set credentials and region, and verify setup with AWS STS get-caller-identity and sam --version.
How to Locally Debug AWS Lambda using VS Code11:36
Create a serverless AWS Lambda project with AWS SAM in VS Code, then locally invoke and debug it using the AWS Toolkit and Python runtime.
How to Deploy AWS Lambda using VS Code6:31
Learn to deploy AWS Lambda via VS Code by syncing the SAM application with the AWS toolkit, configuring SAM config and S3 bucket defaults, and observing CloudFormation events during deployment.

BMI Calculation Problem Scenario0:52
BMI Calculation Solution3:04
Calculate Score Problem Scenario1:20
Debug a Python score calculator in Visual Studio Code, using score_underscore_words to award two points for even vowel counts and one for odd, then sum to a final score.
Calculate Score Solution3:04
Find Books Problem Scenario1:31
Debug a Python program in Visual Studio Code that filters a book list by author and rating, highlighting a logic error that returns a blank author result and needs fix.
Find Books Solution6:38
Fibonacci Problem Scenario1:19
Fibonacci Solution3:06
Dice Game Problem Scenario1:21
debug a dice game in vscode, count dice values, verify guesses, import dice game runner and its utils, and fix the logic causing incorrect round results.
Dice Game Solution12:22
Debug the dice game by summing each dice value and correcting round and win/loss calculations, and move the game runner initialization outside the loop to preserve state.

Lucky Date Problem Description1:09
Explore the prime dates problem by concatenating day, month, and year to form a number, marking dates as lucky if divisible by 4 or 7, and debug zero results.
Lucky Date Solution6:46
debugs a lucky date solution by parsing the input dates, applying leap year rules, and fixing logic to produce five lucky dates using breakpoints in vscode.
Multithreaded Download Problem Scenario1:18
Multithreaded Download Solution1:55
Appdata Modification Problem Scenario1:56
Appdata Modification Solution5:50
ZigZag Sequence Problem Scenario1:03
Debug a zig zag sequence in Python by processing input counts and numbers, producing ascending to the middle and descending after, and fixing a list index out of range error.
ZigZag Sequence Solution5:21
Fix a Python zigzag sequence solver in Visual Studio Code by correcting the mid calculation and swap logic, ensuring the sequence ascends to the middle and then descends.
Flask CRUD Problem Scenario1:13
Flask CRUD Solution7:13

Requirements

Basic knowledge of Python programming

Description

Disclaimer: This course requires you to download Docker Desktop from its official website. If you are a Udemy Business user, please check with your employer before downloading software.

Master Python Debugging in Visual Studio Code: Unittest, Pytest, Docker, Cloud Debugging & More

Are you struggling with debugging Python code efficiently? Do you want to master breakpoints, logpoints, cloud debugging, and Dockerized applications in Visual Studio Code (VS Code)?

This course is a complete guide to Python debugging in VS Code, covering everything from basic techniques to advanced debugging scenarios for Flask, FastAPI, AWS Lambda, Azure Functions, and GCP Cloud Functions.

What You Will Learn

Fundamentals of Debugging in VS Code – Learn how to set breakpoints, inspect variables, and control program execution.
Advanced Debugging Features – Step into, run to cursor, use conditional breakpoints, exception breakpoints, and logpoints.
Unit Testing & Test Debugging – Master unittest and pytest debugging techniques in VS Code.
Debugging Flask, FastAPI, and Django Applications – Learn how to debug web applications with VS Code’s Python Debugger.
Dockerized Debugging – Learn how to debug Dockerized Python applications in VS Code.
Cloud Debugging – Master debugging Python applications deployed on AWS Lambda, Azure Functions, and GCP Cloud Functions.
Real-World Hands-On Debugging Scenarios – Solve debugging challenges related to multithreading, API debugging, and Flask CRUD applications.

Why Take This Course?

Covers both local and cloud debugging (AWS, Azure, GCP).
Teaches hands-on debugging techniques with real-world problems.
Includes step-by-step tutorials on debugging Flask, FastAPI, and Django applications.
Guides you through unit testing debugging using unittest and pytest.
Walks you through Dockerized debugging for containerized applications.

Who this course is for:

Python developers who want to learn debugging fundamentals
Anyone facing challenges troubleshooting Python applications
Computer science students

Python Debugging with Visual Studio Code: A Complete Guide

What you'll learn

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Course content

Getting Started5 lectures • 6min

Environment Setup1 lecture • 6min

Basic Debugging Features13 lectures • 57min

Advanced Debugging Features10 lectures • 1hr 3min

AWS Lambda Local Debugging with VSCode3 lectures • 23min

Azure Function Local Debugging with VSCode3 lectures • 16min

GCP Cloud Function Local Debugging with VSCode2 lectures • 14min

Important Points to Note Before Working on Debugging Issues/Problems1 lecture • 2min

Simple Debugging Problem Scenarios and Hands-on Solutions10 lectures • 35min

Advanced Debugging Problem Scenarios and Hands-on Solutions10 lectures • 34min

Requirements

Description

Who this course is for: