Week 2 Quiz

The reading log reads 30 pages a day. What does the last line of this program print?

goal = 300
pages_read = 45
pages_left = goal - pages_read
print(pages_left // 30)

Select one.

• 8.5
• 9
• 8
• 15

Same reading log, different operator. What does the last line of this program print?

goal = 300
pages_read = 45
pages_left = goal - pages_read
print(pages_left % 30)

Select one.

• 15
• 8
• 0.5
• 8.5

Trace each name line by line. What does this program print?

x = 5
y = x
x = 10
print(y)

Select one.

• 10
• 5
• 15
• x

Using operator precedence, what does this line print?

print(2 * 3 ** 2)

Select one.

• 36
• 12
• 64
• 18

What happens when this one-line program runs?

print("5" + 3)

Select one.

• It prints 8
• Nothing prints, and the last line names TypeError
• It prints 53
• Nothing prints, and the last line names SyntaxError

What does this line print?

print(int(3.9))

Select one.

• 4
• 3.9
• 3
• 4.0

What does this line print?

print(round(2.5), round(3.5))

Select one.

• 2 4
• 3 4
• 2 3
• 3 3

Which of these values have the type float? Select every value that does.

Select every option that applies.

• 8.5
• 255
• "8.5" (with the quotation marks)
• 5.0
• True

A chatbot tells you that print(round(2.5)) displays 3, because halves always round up. What is the best next step?

Select one.

• Accept the claim, since it matches the rounding rule from school
• Ask the chatbot again until it gives the same reply twice
• Switch to a different chatbot with a more confident reply
• Run the line in a Python runner and compare its output with the claim

This program stops, and the last line of its error message names NameError, because Python is case-sensitive and the name Pages was never assigned.

pages = 255
print(Pages)

True or false.

• True
• False