Python set() Function

Python set() Function 1. Introduction The set() function is a built-in function in Python that creates a set. A set is an unordered, non-duplicate data structure consisting of multiple elements. Elements in a set can be of any type, such…

Python adds environment variables

Adding Python to Environment Variables When using Python, we often need to add the Python path to the system’s environment variables. This allows us to conveniently execute Python scripts or programs from anywhere. This article will detail how to add…

Python picture plus word PIL

Python Image and Text PIL Introduction PIL (Python Imaging Library) is a powerful image processing library that can be used to open, manipulate, and save various image file formats. In this article, we’ll explain how to add text to …

CSS :lang pseudo-class

CSS :lang Pseudo-Class Description The :lang pseudo-class specifies the language used within a given element. This class is useful in documents that need to appeal to multiple languages, as different languages ​​have different conventions for certain language structures. For example,…

CSS styling numbers

CSS Number Styling In web development, we often need to style numbers, such as adding specific colors, font sizes, backgrounds, and other effects. CSS provides a wealth of methods for styling numbers, allowing us to easily achieve a variety of…

CSS opacity not working in IE11

CSS Opacity Not Working in IE11 In this article, we’ll explain the issue of CSS opacity not working in IE11 and provide solutions and examples. Read more: CSS Tutorial Problem Description In Internet Explorer 11, using the CSS opacity property…