How to Fix: ModuleNotFoundError: No module named ‘pandas’
You’re excited to start your first data science project, you type import pandas as pd, run your script, and… crash. The error message reads ModuleNotFoundError:…
Introduction to Pandas: How to Read a CSV File in Python
Every data science project starts with the same step: Getting the data. One of the essential tools for this is Pandas, where the Read CSV…
Python Virtual Environments (venv): A Beginner’s Survival Guide
As you start building more projects (like our Flask App or Calculator), you will inevitably start installing lots of third-party libraries using pip. This is…
Python Beginner Project: Build a Simple Calculator
Following up on our Number Guessing Game, today we’re building a tool that actually does something useful: a calculator. This project is perfect for practicing…
Flask for Beginners: Understanding Routes and HTML Templates
In this tutorial on Flask Routes and Templates, we’ll go beyond returning a simple text string. In our previous tutorial, you built a Flask app…
How to Fix: NameError: name ‘x’ is not defined in Python
Seeing NameError: name is not defined? This is Python’s most common typo error. Learn the 3 main causes and how to fix them instantly.
Beginner Python Project: Build a Number Guessing Game
The best way to learn Python is to build something fun. Today, we’re going to build a classic: The Number Guessing Game. The computer will…
Your First Flask App: Building a “Hello, World” Website in 5 Minutes
You’ve learned Python’s basics. Now it’s time to put them into practice by creating your first Flask app on the web. This guide will help…
How to Fix: IndentationError: unexpected indent in Python
Welcome to the most “Pythonic” error you will ever see. If you’ve come from another language like JavaScript or Java, this error might seem strange,…
How to Write Your First Python Function (A Beginner’s Guide)
So far, you’ve learned to write code that runs from top to bottom. But what if you need to perform a specific task multiple times…
