Python Dunder Methods: What __init__ and __str__ Really Mean
“Dunder” is short for “Double Underscore.” Dunder methods are special “magic” methods that Python reserves for its own use. You don’t call them directly, but…
Automating Google Sheets with Python (gspread)
We’ve automated Excel, but what about cloud data? If you’re looking to work efficiently with Google Sheets Python integration, gspread is a fantastic library for…
Unpacking with * and **: How to Call Functions with Lists and Dictionaries
You’ve learned how to define a function that accepts *args and **kwargs. Now, we’ll learn the opposite: how to call a function using * and…
How to Fix: RecursionError: maximum recursion depth exceeded
This error means a function is calling itself over and over again, in an infinite loop, until it hits a safety limit set by Python…
Working with Dates and Times in Python (datetime module)
If you’re not using Pandas, Python’s built-in datetime module is the standard way to handle dates and times. The Python datetime module offers essential functionality…
Web Scraping with Selenium: Handling JavaScript Sites and Waits
In our first Selenium guide, we used time.sleep(2). This is a bad, “brittle” way to wait. We’ll now look at how Selenium JavaScript Waits can…
Mutable vs. Immutable Objects in Python: Why It Matters
In Python, everything is an object. One of the most common concepts you’ll encounter is Mutable vs Immutable Python. But some objects can change (Mutable),…
Automating Excel with Python: Reading and Writing .xlsx Files (openpyxl)
Do you need to edit an Excel file but keep its style and formulas? While Pandas is good for checking data, it often ignores the…
Control Your Mouse and Keyboard: GUI Automation with PyAutoGUI
When faced with tasks in a desktop app, not a website, Python GUI Automation becomes essential as sometimes you can’t use APIs or Selenium. For…
Working with Dates and Times in Pandas (DatetimeIndex)
If you load a CSV with dates, Pandas usually reads them as simple strings (objects). To do real analysis like “Calculate monthly average sales“, you…
