If you are a beginner and want to learn Python then check out our Python programming tutorials. These tutorials will helps you to improving you Python basic programming skills that will help to learn other libraries in Python.
A few years ago, I worked on a small signal-analysis script for a Chicago engineering team. The input data included values such as 12+5j, and the script needed to calculate magnitudes, phase angles, and combined signals. Regular integers and floats were not enough. That is where Python’s built-in complex() function becomes useful. It creates complex … Read more >>
A few years ago, I built a small reporting utility for a sales team in Austin. The team wanted to save simple calculation rules in a configuration file, such as amount * 0.08 for a commission or units * price for a revenue total. Instead of hard-coding every rule, I needed a controlled way to turn those text expressions … Read more >>
When I build small reporting tools, I often need to create the same kind of object from different inputs. One report may come from a CSV file, another from a dictionary returned by an API, and another from values entered in the terminal. Creating separate setup code outside the class gets messy fast. The Python classmethod() function … Read more >>
When I build small reporting scripts, I often need to create clean separators, checkmarks, labels, or encoded text without hard-coding every character. That is where the Python chr() function becomes useful. Give it a number, and it returns the matching character. For example, a CSV cleanup script may need to add a tab character between … Read more >>
You are building a small reporting script for a Chicago sales team. The script accepts a formatting rule from a settings file, then applies it to each sales record. Before calling that rule, you need to know whether it is actually something Python can run. That is where the callable() function helps. I have used it in … Read more >>
When I build small Python automation scripts, I often need to move data between two very different worlds. One side uses readable text, such as a customer name or a JSON response. The other side expects raw binary data, such as a file, an API request body, or a network message. That is where the … Read more >>
When I need to convert a batch of JPG images, opening each file and saving it manually quickly becomes repetitive. A small Python application makes this much easier, especially when you need to process several images at once. For this project, I built a JPG to PNG Converter using Python with Streamlit for the interface … Read more >>
A small reporting script can look perfect until it produces the wrong totals for Chicago, Austin, and Seattle. Printing every variable may help, but it quickly makes the terminal noisy and hard to follow. That is where the Python breakpoint() function saves time. I use it when I need to stop a script at the … Read more >>
When I build small reporting scripts, one common job is deciding whether the script should continue. Does the CSV contain rows? Did the API return data? Did a user enter a value? The Python bool() function gives a clean, reliable answer: True or False. You will use bool() constantly in if statements, loops, input checks, … Read more >>
The Python ceil() function rounds a number up to the nearest whole number. It lives in the math module, so you call it as math.ceil(x) after import math: math.ceil(2.1) gives 3, and math.ceil(-2.8) gives -2, because up means towards positive infinity. It always returns an int, never a float. This guide covers the ceiling function … Read more >>