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Return values

The value a function hands back to the code that called it, with return, so its answer can be stored, added or passed on - unlike print, which only shows it on the screen.

Depth 1 · Foundation

You can make a function return its answer instead of printing it, use a call inside a bigger expression, plug functions into each other, and recognise the None that a function without return gives back.

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Depths of understanding

  1. 1

    Foundation

    You can make a function return its answer instead of printing it, use a call inside a bigger expression, plug functions into each other, and recognise the None that a function without return gives back.

    Opens after

    Functions in codeA return value is how a function's answer gets out, so you first need to define and call functions.

Your path here

What's still between you and Return values, depth 1, in the order you can learn it.

  1. 1ProgramDepth 1 · Foundation · Program Basics
  2. 2ExpressionDepth 1 · Foundation · Program Basics
  3. 3Variables in codeDepth 1 · Foundation · Program Basics
  4. 4Program stateDepth 1 · Foundation · Program Basics
  5. 5Input and outputDepth 1 · Foundation · Program Basics
  6. 6Functions in codeDepth 1 · Foundation · Functions
  7. 7Return valuesDepth 1 · Foundation · Functions

Where it fits

Builds on

Functions in code

This concept

Return valuesFunctions

Opens up

BooleansControl FlowNoneData TypesScope

Makes these deeper

Once you know Return values, come back to these — they'll mean more.