Python Looping Unit Quiz

Which of the following for loops would print the following numbers?

• for i in range(5):

  print i

• for i in range(1, 5, 1):

  print i

• for i in range(6):

  print i

• print i in range(0,5,1):

  print i

Which of the following for loops would print the following numbers?

• 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

What is the value of num when this loop completes?

• 2

• 8

• 12

• 20

Which of the following for loops will give the same values for i as the loop below?

for i in range(10):

• for i in range(11,0):

• for i in range(10, 0, -1):

• for i in range(0,10):

• for i in range(0,11,1):

Three of the for loops below will provide identical values for i. Which for loop will provide values that do not match the others?

• for i in range(0,5):

• for i in range(5):

• for i in range(0,5,1):

• for i in range(5,0,1):

What does this program print?

• 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

Which of the following while loops would continue to loop as long as num has values in the range 3 to 12, exclusive?

• 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

Which of the following while loops will cause an infinite loop?

• secret_num =10

  while secret_num == 10:

  secret_num = secret_num -1

• secret_num =10

  while secret_num == 10:

  print secret_num

• secret_num=10

  while secret_num >0:

  secret_num = secret_num -1

• secret_num =10

  while secret_num !=10:

  print secret_num

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

• When you need to repeat multiple commands

• When you need to repeat something 5 times

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

• When the user is inputting how many times to repeat something

What will be printed to the screen when this program is run?

• 0

  1

  0

  1

• 0

  2

• 0

  1

  0

  1

  0

  1

• 1

  2

  1

  2

  1

  2