Makerspace

Functions

• What are functions?
  • Functions are fundamental building blocks of programs.
  • They let you name a set of commands.
  • Once defined, a function can be re-used over and over.
• Examples of functions:
  • Add( x, y )
    • Take two numbers x and y , and return the sum x+y
    • (takes input and returns output)
  • TurnOn( x )
    • Take a number between 0 and 9, and turn on that LED
    • (takes input, does not return output)
  • PartyTime()
    • Set all pixels to red, play a tune
    • (doesn’t take input, doesn’t return output)

Creating Functions

Defining and Calling Functions