Week 4 Quiz

The reading log asks two questions. What does this program print, line by line?

goal = 300
pages_read = 45
print(pages_read >= goal)
print(pages_read != 45)

Select one.

• False False
• True False
• False True
• True True

== compares values. What does this line print?

print(3 == 3.0, "3" == 3)

Select one.

• True True
• False False
• False True
• True False

A truth table lists its rows as a, b in the order True True, True False, False True, False False. On which row does a or b give False?

Select one.

• True True
• True False
• False True
• False False

Work it out in Python's order. What does this line print?

print(True or False and False)

Select one.

• False
• True
• None
• SyntaxError

The expression not a or b is worked out down the four rows of a truth table (a, b = True True, True False, False True, False False). Which list gives its value on each row, in order?

Select one.

• True, False, True, True
• False, False, False, True
• False, True, True, True
• True, True, False, True

What does the reading log's Week 4 stage print?

goal = 300
pages_read = 45
if pages_read >= goal:
    print("Goal met")
elif pages_read >= goal // 2:
    print("Halfway or better")
else:
    print("Keep going")

Select one.

• Goal met
• Halfway or better
• Keep going
• Halfway or better, then Keep going

Trace the chain from the top. What does this program print?

x = 7
if x > 10:
    print("big")
elif x > 5:
    print("medium")
else:
    print("small")

Select one.

• big
• medium
• small
• medium, then small

What happens when you run this program?

x = 5
if x = 5:
    print("yes")

Select one.

• It prints yes.
• Nothing runs, and the error names SyntaxError.
• It prints nothing and shows no error.
• It prints yes, then the error names TypeError.

Select every statement that is true about this program.

total = 95
if total >= 60:
    print("D or better")
elif total >= 90:
    print("A")
else:
    print("F")

Select every option that applies.

• It prints D or better.
• It has a logic error.
• It has a syntax error.
• Moving the total >= 90 test first makes it print A.
• It prints D or better and then A.

True or false: this line prints False True.

print(bool(""), bool("0"))

True or false.

• True
• False