Chapter 4 - Python

False

(True / False) A condition-controlled loop always repeats a specific number of times

True

(True / False) In a nested loop, the inner loop goes through all of its iterations for every single iteration of the outer loop

False

(True / False) It is not necessary to initialize accumulator variables

True

(True / False) The following statement subtracts 1 from x: x = x -1

True

(True / False) The while loop is a preset loop

count

A _______ -controlled loop repeats a specific number of times

condition

A _______ -controlled loop uses a true/false condition to control the number of times that it repeats.

sentinel

A(n) _______ is a special value that signals when there are no more items from a list of items to be processed. This value cannot be mistaken as an item from the list.

accumalator

A(n) _______ variable keeps running total.

infinite

A(n) ________ loop has no way of ending and repeats until the programs is interrupted.

garbage in, garbage out

GIGO stands for

priming read

The input operation that appears just before a validation loop is known as the

input

The integrity of a program's output is only as good as the integrity of the program's

pretest

The while loop is a _______ type of loop.

error traps

Validation loops are known as

iteration

Each repetition of a loop is known as a(n) _______.

augmented assignment

The -= operator is an example of a(n) ________ operator.