Final answer:
This function is commonly used in computer programming to compare two images side by side and identify common features.
Step-by-step explanation:
This function is commonly found in computer programming and is used to compare two images side by side and identify common features. It can be implemented using various programming languages and libraries. For example, in HTML and CSS, you can use the float property to place two images side by side. In Python, you can use libraries like OpenCV to load and compare images.