CODEHS Looping Unit 5 Review

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

0

1

2

3

4

5

• for i in range(5): print i

• for i in range(1, 5, 1):

  print i

• for i in range(6): print i

• for i in range(0, 5, 1):

  print i

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

3

5

7

9

• 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?

num = 0

for i in range(2, 8, 2):

num = num + i

Type in your answer

(a)  

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

• 
• 
• 
• 

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

What is the value of sum when this loop completes?

• 8

• 9

• 20

• 0

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

• 100

  0

  -75

  -125

  -150

• -150

• -175

• 175

What does this program print?

• 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

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?

• On line 3

• On line 5

• On line 7

• On line 9