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Recently, I was working on a project where I had to repeatedly check values from a database until a condition was met. The challenge was that I needed to assign values inside the loop while still controlling the exit condition. That’s when I realized that many Python beginners struggle with using while loops with assignment.So … Read more >>
When I first started working with Python dictionaries, I often needed to create a copy but exclude one or two keys. At first, I thought Python would have a built-in method for this. However, just as in Excel, where you sometimes need a workaround, in Python, you also need to employ different techniques. Over the … Read more >>
When I was working on a project where I had to clean up user IDs in a database. Some IDs had unwanted characters at specific positions. The challenge was simple: remove a character from a string at a given index. Since Python strings are immutable, we cannot directly delete characters. But with a few tricks, … Read more >>
I was working on a project where I had to clean up messy text data coming from customer feedback forms. Some of these strings contained numbers mixed with words, and I specifically needed to get last number in Python string. At first, I thought there would be a built-in function, but there isn’t. So, I … Read more >>
As a developer, while working on a data-cleaning project, I needed to compare two lists of customer IDs. One list came from our sales system, and the other from our support system. The challenge was simple: I needed to find which IDs were missing in one list but present in the other. At first, I … Read more >>
While working on a project where I had to send structured data from a Python backend to a web application. The data was stored in a nested dictionary, and I needed to convert it into JSON format. The issue is… while converting a simple dictionary to JSON is easy, many people get confused when the … Read more >>
I was working on a file management project, and I needed to quickly grab the current folder name where my Python script was running. At first, I thought it would be a one-line solution, but then I realized there are multiple ways to do this, depending on whether you want the full path or just … Read more >>
As a developer, I was working on a data-cleaning project where I had to process a large JSON dataset from an API. The dataset represented customer information, but many records contained empty keys that served no purpose. If you’ve ever worked with dictionaries in Python, you know they’re one of the most powerful data structures. … Read more >>
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 >>
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