👉 In mathematics, an eraser is a mathematical concept that refers to a device or object used for removing excess ink from a paper. It can be thought of as a tool for removing unwanted marks or information from documents and other materials. In the context of programming languages like Python, the term "erased" typically refers to the removal of variable values in a program by using the `del` keyword at the end of a line. This operation is often used to remove unused variables that are not being