Week 1 Quiz

Predict, then check: what does this one-line program print?

print(2 + 3 * 4)

Select one.

• 20
• 14
• 24
• 9

What does this one-line program print?

print((2 + 3) * 4)

Select one.

• 20
• 14
• 23
• 9

What does this one-line program print?

print("2" + "3")

Select one.

• 5
• 2 3
• 23
• "2" + "3"

A classmate predicts that this line prints 5. What does Python actually print when the line runs?

print(10 / 2)

Select one.

• 5
• 5.0
• 2
• 0.5

The reading log's goal line has three arguments separated by commas. What does it print?

print("Goal:", 300, "pages")

Select one.

• Goal:300pages
• Goal:, 300, pages
• "Goal:" 300 "pages"
• Goal: 300 pages

This two-line program has a capital P on line 2. When it runs, what appears, and which error type does the last line of the error message name?

print("Reading log: day 1")
Print("Goal: 300 pages")

Select one.

• Nothing appears, and the last line names SyntaxError
• Nothing appears, and the last line names NameError
• Reading log: day 1 appears, and then the last line names NameError
• Both lines appear, because Python ignores capital letters

Line 2 of this program is missing its closing parenthesis. When you press Run, what appears, and which error type does the last line name?

print("Reading log: day 1")
print("Goal: 300 pages"

Select one.

• Nothing appears, and the last line names SyntaxError
• Reading log: day 1 appears, and then the last line names SyntaxError
• Reading log: day 1 appears, and then the last line names NameError
• Both lines appear, and Python adds the missing parenthesis

Which statements about reading a Python error message are true? Select every true statement.

Select every option that applies.

• Start with the last line, because it names the error type
• A SyntaxError means the parser refused the text, so no line ran
• If a line printed before the error, the program was running when it stopped
• Python treats print and Print as the same name
• A red error message means the program cannot be fixed

Python runs the lines of a script in order, from the top line to the bottom line, unless the program tells it to do otherwise.

True or false.

• True
• False

A chatbot tells you that print(2 + 3 * 4) displays 20, because Python works from left to right. What is the best next step?

Select one.

• Accept the claim, since the chatbot explained its reasoning
• Ask the chatbot the same question again until it agrees with itself
• Look for a different chatbot that gives a more confident reply
• Run the line in a Python runner and compare its output with the claim