CodeHS Python Unit 7 Looping Flashcard Review

Front

What is the benefit of using the break command as in the program below?

Back

The program will break out of the loop as soon as the user enters the magic_number.

Front

What will be printed to the screen when this program is run? Options: 100 0 -75 -125 -150, -150, -175, 175

Back

-150

Front

What does this program print? Options: It’s still a nice day It’s still a nice day, It’s still a nice day It’s still a nice day It’s still a nice day, It’s still a nice day It’s still a nice day It’s still a nice day It’s still a nice day It’s still a nice day, It’s still a nice day It’s still a nice day It’s still a nice day It’s still a nice day

Back

It’s still a nice day It’s still a nice day It’s still a nice day It’s still a nice day

Front

What is the value of sum when this loop completes?

Back

9

Front

Which of the following while loops would continue to loop as long as num has values between the range of 3-12, exclusive? Options: while num > 12 and num < 3: # do something with num, while num < 12 or num < 3: # do something with num, while num <= 12 and num >= 3: # do something with num, while num < 12 and num > 3: # do something with num

Back

while num < 12 and num > 3: # do something with num

Front

If the user enters ‘4’, I want the loop to exit. Where should the break command be placed in order to end the loop when the user enters this value? Options: Line 3, Line 5, Line 7, Line 9

Back

Line 9

Front

Which of the following for loops would print the following numbers?
3 5 7 9
Options:
for i in range(3, 10, 2):
print(i), for i in range(3, 9, 2):
print(i), for i in range(9):
print(i), for i in range(3,9):
print(i)

Back

for i in range(3, 10, 2):
print(i)

Front

What does this program print? Options: 0 1 2, 0 1 2 4 5 6 7 8 9, 0 1 2 3 4 5 6 7 8 9, 0 1 2 3

Back

0 1 2 4 5 6 7 8 9

Front

When would a while loop be a better control structure to use than a for loop?

Back

When you don’t know how many times something will need to repeat

Front

What is the value of num when this loop completes?

Back

12