In the first part of this tutorial series on data structures in Python, queues were explained. Stacks follow in the second part. A stack is also a data structure that is similar to the list. But there is a significant difference: There are several rules that dictate how items must be added or removed. New …
A queue is a data structure similar to a list. However, the functionality is of a limited nature, because a queue is characterized by the fact that the FIFO principle (First In, First Out) applies here. This means that the first item added to a queue is the first item removed. Adding data is called …
Introduction What does a virtual development environment do? It isolates different Python versions and their package installations from each other. Once set up for a Python project, this means that the packages used are only available to this project. Updating one of these packages does not affect other packages installed on the system. In addition, …
The Python programming language is already pre-installed on Debian, but usually in an old version. A current version cannot be added from the standard repositories, but with a few shell commands you get a current version on your linux system. Let’s start with the required packages and their dependencies: Next, download the Python version you …
Some time ago I familiarized myself with the topic of web scraping. As a programming language, the decision quickly falls on Python, since there are good libraries available for this task. When dealing with a new topic, it is not a bad idea to do so creating a self-developed program. The result is: fetch-hackernews. As …