I just spent 10 minutes looking for the file I had written in my Python script in Google Colab. 😅 💡 Google Colab is a popular platform for data scientists and machine learning enthusiasts. You can write and execute Python code in your browser! Let’s say you want to write to a file in your … Read more
In this article, you will learn different methods to append data to a file (e.g., text file, log file, or config file) using Python. To start appending data to a file in Python, the most frequently used file modes are Each mode provides different levels of access and functionality for handling files. When working with … Read more
Appending data to a CSV file is a common task in data processing. But what if the CSV file doesn’t exist yet? Here’s a step-by-step guide on how to append a dictionary to a non-existent CSV file using Python’s csv module. Prerequisites: 🧑💻 Step 1: Import CSV and OS Python Libraries 🧑💻 Step 2: Check … Read more
Does the nature of your work involve going through a folder full of dozens, hundreds, or even thousands of files? What if you were told to organize those files according to their extension in a subdirectory, imagine how boring and time-consuming such a task would be if the files contain dozens of extensions! What if … Read more
🥒 Python pickling is another word for serializing and de-serializing Python objects, so you can store them in a binary format or transmit them across a network. Pickling helps preserving the state of objects, such as data structures or machine learning models, between different sessions or applications. The pickle module in Python’s standard library provides … Read more
Problem Formulation Given is a text file, say my_file.txt. How to modify its content in your Windows command line working directory? I’ll start with the most direct method to solve this problem in 90% of cases and give a more “pure” in-terminal method afterward. Method 1: Using Notepad The easiest way to edit a text … Read more
For my current web project I need to upload 200 images to my website. All of them are in the same folder. Here’s the problem: 🤯 Challenge: My images have file sizes of 2 to 3 MB, so they are far too big and will significantly slow down my website. 👉 To reduce the file … Read more
I’m currently working on a website project for the Finxter ecosystem, where I’m given a folder with subfolders (and subfolders within) that contain image files. Example folder structure: folder — subfolder1 —- image1.jpg —- image2.jpg —- image3.jpg — subfolder2 —-image1.jpg —-image2.jpg Across the subfolders, the files may have the same name, which causes an issue … Read more
💬 Question: Say, you want to dynamically create a variable in your Python script that is named like a string. For example, you want to name the variable after a string value ‘Vladimir’ and assign a value to it so you can access the results using only the variable name Vladimir without the string quotes … Read more
To list directories in Python, import the os module and call the os.listdir() function on a specific directory. 💡 Info: The os module provides a way to interact with the operating system. It is part of the standard library within Python 3. You can use the os.path() module to check if each item in the … Read more
Problem Formulation and Solution Overview This article shows how to generate a formatted PDF file from a CSV file using the ReportLab and Pandas libraries in conjunction with slicing. ℹ️ Python offers numerous ways to generate a PDF file. One option is to use the ReportLab library. The article selected the path that used the … Read more
Problem Formulation 💬 Question: Given a binary string in your Python script, such as b’this is a binary string’. How to write the binary string to a file in Python? For example, you may have tried a code snippet like this that will not work with file.write(): Because this yields a TypeError: Traceback (most recent … Read more