CISP Ch. 2

The newline escape character is ________.

'\n'

What will be displayed by the following program? my_value = 99 my_value = 0 print(my_value)

0(reassigned)

What will the statement print(format(65.4321, '.2f')) display?

65.43

What will the statement print(format(987654.129, ',.2f')) display?

987,654.13

Which Python statement best defines a named constant for a 10 percent discount? PERCENTAGE = 10% discount percent = 10 DISCOUNT_PERCENTAGE = 0.1 dp = 0.100

DISCOUNT_PERCENTAGE = 0.1

Comments are intended for any person reading a program's code, not the computer.(T/F)

True

Named constants help to prevent the typographical errors that are common when using magic numbers.(t/f)

True

Named constants make programs more self-explanatory.(t/f)

True

A set of well-defined logical steps that must be taken to perform a task is called a(n) _________.

algorithm

What will the following code display? val = 99 print('The value is', 'val') a.The value is '99' b.The value is 99 c.The value is 'val' d.The value is val

d (val is typed out as a string since it has quotes)

If you do not want the print function to start a new line of output when it finishes displaying its output, you can pass the special argument ________ to the function.

end = ' '

The results of a(n) ________ are sent out of a program as output.

executing process

Named constants make widespread changes more difficult to make in a program.(t/f)

false

The following assignment statement is valid: 72 = amount (T/f)

false (has to be formatted variable=expression)

The variable name 'Sales' is considered to be the same as 'sales' in Python. (T/F)

false (naming variables is case sensitive)

After the statements below execute, what is the Python data type of the values referenced by each variable? value1 = 45.9 value2 = 7.0

float

A diagram that graphically depicts the steps that take place in a program is called a _______________.

flowchart

Given two already defined variables, i and j, write a statement that swaps their associated values.

i,j = j,i (does it at the same time)

After the statements below execute, what is the Python data type of the values referenced by each variable? value1 = 99 value2 = 7

int

In a flowchart, _________ are terminal symbols.

ovals

In a flowchart, _________ are either output or input.

parallelogrmas

Any person, group, or organization that is asking you to write a program is known as a _________.

programmer's customer

What is an informal language that is used to create "mock-ups" of programs?

pseudocode

What is an illegal variable name in Python? theSalesFigureForFiscalYear r&d july_2019 x

r&d (variable names can only use letters, digits, or underscores)

In a flowchart, _________ are processing symbols.

rectangles

You can change the character that is automatically displayed between multiple items that are passed to the print function by passing the ________ argument with the desired character.

sep=

A single function that the program must perform in order to satisfy a customer is known as a _____________.

software requirement

After the statements below execute, what is the Python data type of the value referenced by the variable? value1 = 'abc'

str

truncating

throwing away the number's fractional part

The + operator, when used with two strings, joins them together as one string.(t/f)

true

To fill a turtle shape with a color, use the ________ command before drawing the shape, then use the ________ command after the shape is drawn.

turtle.begin_fill() ; turtle.end_fill()

Which command will move a turtle forward?

turtle.forward

What command would you use to display a turtle's current heading?

turtle.heading()

To move a turtle to a new location without drawing a line, first use the _________ command to raise the turtle's pen.

turtle.penup()

What command would you use to display the coordinates of the turtle's current position?

turtle.pos()

Which command will turn a turtle right by 45 degrees?

turtle.right(45)

Which of the following commands will make the animation speed faster?

turtle.speed(10)

What command would you use to display text in the turtle's graphics window?

turtle.write()

What component of a program references a value in the computer's memory?

variable

Any data that the program receives while it is running is known as _________.

Input