4.12.1 Python Control Structures Quiz Answers

Question: What is the last thing printed by the following program?

start = 30 stop = 10 for i in range(start, stop - 1, -5): if i % 2 == 0: print(i * 2) else: print(i)

Answer: 20

Question: We want to simulate constantly flipping a coin until we get 3 heads in a row. What kind of loop should we use?

Answer: While Loop

Question: How many times will the following program print “hello”?

Answer: This code will loop infinitely

Question: The following code continually asks the user for a password until they guess the correct password, then ends. But there is one problem.

Answer: Add a break; statement after line 6 so that the program doesn’t loop infinitely

Question: What will the following program print when run?

for j in range(2): for i in range(6, 4, -1): print (i)

Answer: 6

5

6

5

Question: What is the value of the boolean variable can_vote at the end of this program?

age = 17 iscitizen = True canvote = age >= 18 and is_citizen

Answer: False

Question: What will be the output of this program?

number = 5 greaterthanzero = number > 0 if greaterthanzero: print(number)

Answer: 5

Question: What will be the output of this program?

number = 5 greaterthanzero = number > 0 if greaterthanzero: if number > 5: print(number)

Answer: Nothing will print

Question: What is printed by the following program?

israining = False iscloudy = False issunny = not israining and not iscloudy issummer = False iswarm = issunny or issummer print(“Is it warm: “ + str(iswarm))

Answer: Is it warm: True

Question: What is printed by the following program?

numapples = 10 numoranges = 5 if numapples < 20 or numoranges == num_apples: print(“Hello, we are open!”) else: print(“Sorry, we are closed!”) print(“Sincerely, the grocery store”)

Answer: Hello, we are open!Sincerely, the grocery store