Chapter 14 - Summary¶
Chapter 14 included the following concepts from computing.
- Function - A function is a named set of instructions that returns a
result. An example is the
abs(num)
which returns the absolute value of the num. - Library - A library is a named group of related procedures and functions. An example is the Turtle library.
- Procedure - A procedure is a named set of instructions that does not
return a result, but can cause something to happen like the turtle
forward(amount)
procedure. - Random number generator - A random number generator will return a random number.
Summary of Python Keywords and Functions¶
- Modulo - The modulo, or remainder operator,
%
, returns the remainder after you divide one value by another. For example the remainder of3 % 2
is 1 since 2 goes into 3 one time with a remainder of 1. - Randrange - The
randrange
function is used to return a random number. It is part of therandom
library.