Recently, I was working on a data-cleaning project where I had to verify if a smaller list of values existed inside a larger dataset. At first, I thought Python might have a direct built-in method for this. But just like in Excel, where you don’t always get a direct option (for example, filtering strikethrough text), … Read more >>
When I first started coding in Python more than a decade ago, I often wondered why there wasn’t a built-in increment (++) or decrement (–) operator like in C or Java. If you’re new to Python, this can feel confusing at first. But don’t worry: Python makes this process simple and flexible with its own … Read more >>
I was working with a team of data analysts in New York. We were optimizing some Python functions that handled large datasets. During the review, one of the junior developers asked me: “Does Python use call by value or call by reference?” This is a common question. I’ve been coding in Python for more than … Read more >>
Recently, I was working on a small project where I needed to check if a number was a perfect number. At first, I thought Python might have a built-in function for this. But just like Excel doesn’t have a direct way to filter strikethrough cells, Python doesn’t come with a ready-made tool for perfect numbers. … Read more >>
When I first started teaching Python to beginners, one of the most common questions I got was: How do I calculate the area of a rectangle It’s a simple problem, but it’s also one of the best ways to understand how Python handles inputs, variables, and basic arithmetic. In this tutorial, I’ll show you step … Read more >>
When I first started working with date-related data in Python, one of the most common problems I ran into was converting month names into numbers. For example, I often received data files where months were written as “January”, “Feb”, or “Sept”. But for analysis, I needed them as numbers like 1, 2, or 9. Over … Read more >>
When I first started working with TensorFlow, one of the things that confused me was how to take a regular Python list and turn it into a tensor. It sounds simple, right? But when you’re dealing with machine learning models, you often get data in lists or arrays, and you need to convert them into … Read more >>
Recently, while working on a deep learning project in TensorFlow, I ran into an error that stopped me in my tracks: At first, I thought I had a typo in my code. But after checking a few times, I realized the issue was with TensorFlow itself. If you’ve been coding in TensorFlow for a while, … Read more >>
While working on a deep learning project, I ran into an error that left me scratching my head: At first, I thought it was a version mismatch or maybe a typo in my code. But after digging deeper, I realized this error is quite common, especially when moving between TensorFlow 1.x and TensorFlow 2.x. In … Read more >>
As a developer, I was working on a project where I had to clean up customer data in a large dataset. One of the tasks was to extract the first few characters from a string, such as trimming ZIP codes to the first three digits or keeping only the first five characters of a product … Read more >>
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