Module 2: Making Decisions

Question 1

True and False belong to type _____.

Answer 1

bool

Question 2

x is not equal to y given by _____

Answer 2

!=

Question 3

x is equal to y given by _____

Answer 3

==

Question 4

x is greater than or equal to y given by ______

Answer 4

> =

Question 5

x is less than or equal to y given by ____

Answer 5

<=

Question 6

and, or and not are _______.

Answer 6

logical operators.

Question 7

_______ are a header followed by an indented body.

Answer 7

compound statements

Question 8

_____ limit on number of statements that can appear in the body but must have _____.

Answer 8

no, 1

Question 9

to have a body with no statements use the ______ statement.

Answer 9

pass

Question 10

___________ is a second form of if statement when there are two possibilities and the condition determines which one runs.

Answer 10

alternative execution

Question 11

________ is when there are more than two possibilities and we need more than two branches.

Answer 11

chained conditionals

Question 12

chained conditionals use: ________

Answer 12

if, elif, else or if, elif, elif

Question 13

alternative execution uses ________.

Answer 13

if, else

Question 14

alternatives are also called ________

Answer 14

branches

Question 15

_______ is when an outer conditional has inner conditionals

Answer 15

nested conditional

Question 16

a function that returns a boolean is a _______

Answer 16

predicate/predicate function

Question 17

boolean function names sound like _________

Answer 17

yes/no questions

Question 18

useful parts of an error message are ______ and _______.

Answer 18

what kind of error it was, where it occurred

Question 19

_______ is an operator that compares its operands

Answer 19

relational operator

Question 20

a _________ consists of a header and a body. the header ends with a : and body is indented relative to the header.

Answer 20

compound statement

Question 21

a ________ causes a function to end immediately and return to the caller.

Answer 21

return statement

Question 22

___________ is when a variable has a value and then gets a new value.

Answer 22

reassignment

Question 23

________ is a kind of reassignment where the new value of the variable depends on the old.

Answer 23

update

Question 24

before a variable can be updated, it must first be _______ with a simple assignment.

Answer 24

initialized

Question 25

Updating a variable by adding or subtracting 1 is called an _______ or ______.

Answer 25

increment, decrement

Question 26

The in-place operators for updating variables are:
x = x+a
x = x-a
x = x*a
x = x/a
x = x**a
x = x//a
x = x%a

Answer 26

x +=a
x -=a
x *=a
x /=a
x **=a
x //=a
x %=a