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.
To replace a specific line in a file using Python, read every line into a list with readlines(), assign new text to that line’s index, then write the list back with writelines(). Python can’t overwrite one line in place, so the file is always rewritten: Every output below comes from a real run on Python … Read more >>
In this tutorial, I will explain how to call a function from another file in Python. Recently someone asked about calling a function from another file, which made me research this topic and I found several ways to achieve this task. I will share my findings with suitable examples and screenshots. Call a Function from … Read more >>
To read an Excel file in Python, call pandas.read_excel(“file.xlsx”), which returns a DataFrame, or use openpyxl.load_workbook() when you need individual cells, formulas or formatting. Both read .xlsx files, and pandas uses openpyxl underneath: The workbook in these examples is a small 2026 sales report with a Stores sheet. I read it with Python 3.12.5, pandas … Read more >>
In this tutorial, I will explain how to import a Python file from the same directory as your current script. As a developer recently I came across a scenario where I needed to import a file from the same directory. After researching I found some important methods to achieve this task, I will explain them … Read more >>
To get the file size in Python, call os.path.getsize(“file.csv”) or Path(“file.csv”).stat().st_size. Both return the size in bytes; divide by 1024 ** 2 to get megabytes. This guide shows each way to get a file size in Python, converts bytes to KB, MB and GB (and explains why Windows and disk makers disagree), adds up the … Read more >>
Recently in a Python webinar, someone asked me how to overwrite a file in Python. After researching and experimenting I found two effective ways to achieve this task. In this tutorial, I will explain the important methods with suitable examples and screenshots. Let’s learn more about this topic today. Overwrite a File in Python Overwriting … Read more >>
As a developer, while working on a project I came across a situation where I needed to organize a large collection of files and change the name of a single file, Python provides a simple way to accomplish this task. We’ll explore various methods, from the simplest to more advanced techniques. In this tutorial, I … Read more >>
In this tutorial, I will explain how to check if a file is empty in Python. I recently faced this issue while building a data processing pipeline for a client in New York, where I needed to ensure that the input files were not empty before feeding them into the system. Let us explore different … Read more >>
In this tutorial, I will explain how to get file name without extension in Python. As a Python programmer, we get various situations to work with files and it is important to know how to get a file name without extension. I will explain four important methods to achieve this task with examples. Get File … Read more >>
To write multiple lines to a file in Python, open the file with open(“file.txt”, “w”) and call f.write(“\n”.join(lines) + “\n”), or f.writelines() with each line ending in “\n”. writelines() does not add line breaks for you, which is the most common surprise. This guide compares write(), writelines(), print(file=…) and pathlib, shows how to append lines, … Read more >>