Functions act as placeholders for the data they output. Basically, you can assign the output of a function to a variable, just like any normal data.The core concept of this lesson is to learn how to call a function and assign the return value to a variable. We can take the return value of a function and assign it to a variable. Assume we have pre-defined a function sum which adds two numbers together. FreeCodeCamp offers a curriculum and in this video we cover their lesson called Assignment with a Returned Value. When we have variables and we're assigning it to a value what's the saying is that whenever we have a whatever is on the right of the equal sign. The Department of Residence Life establishes room selection and assignment procedures for the fall semester early in the preceding spring semester. Free Code Camp Material - To help you learn and walk-through step-by-step.