Informatics — Grade 9

3 topics

1. 8

   Creating Functions: def and Parameters

   A function is a named piece of code that can be called many times. We create our own functions with def and pass data to them through parameters.

   Chapter 3. Functions and Modules1 min

2. 9

   Functions That Return a Value: return

   The return statement sends the result a function has calculated back to where it was called. With it we build complex programs from small functions.

   Chapter 3. Functions and Modules1 min

3. 10

   Modules: math and random

   A module is a collection of ready-made functions. We use math for calculations and random for random numbers to write fun game programs.

   Chapter 3. Functions and Modules1 min