What does the following code produce?

FALSE and TRUE on two separate lines.

In the following function call, what does "10" mean?

That the range of integers should stop at 9.

Which of the following is a semantic error?

Printing "The answer is Yes" instead of "The answer is No".

Assuming "alex" is a turtle, what does the first iteration of the following for loop produce?

The first side of a square (using alex's current colour).

What happens if you call the function range( ) with only one argument? It will generate:

A sequence from 0 up to (and not including) the value of n.

How does Python know what lines are contained in the body of a while loop ?

They are all equally indented from the header.

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Testing knowledge of the basic Python constructs and programming concepts

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Questions 18

Answers

1
What does the following code produce?
A syntax error becaue the last print("TRUE") should be indented.
TRUE, FALSE and TRUE on 3 separate lines.
FALSE and TRUE on two separate lines.
It will print just TRUE.
2
What does executing the following command produce?
54
A runtime error.
53
53.785
3
Which type of loop can be used to implement the following algorithm:
This is nonsense: the program does not need a loop.
Only a FOR loop can be used.
Only a WHILE loop can be used.
Either a FOR or a WHILE loop can be used.
4
In the following for loop, what is the value of the loop variable at the second iteration?
5
1
0
4
5
What is displayed on the screen when these lines of code are executed?
The string "ball"
An error
Only the last letter ('l') is printed
Nobody knows.
6
After the following statements, what are the values of x and y?
x is 15, y is 22
Both x and y are 22
Both x and y are 15
x is 22, y is 15
7
In the following function call, what does "10" mean?
That the range of integers should stop at 12 (= 10+2).
That the range should contain each 10th number between 2 and 3.
That the range of integers should stop at 9.
That the range of integers should stop at 10 (included).
8
Which of the following is NOT a boolean expression?
3 + 4 == 7
3 == 4
False + True
True
9
Which of the following is a semantic error?
Printing "The answer is Yes" instead of "The answer is No".
Forgetting a bracket at the end of a line of code.
Attempting to divide by 0.
None of these.
10
Which of these is the correct expression for testing whether the value of x is between 0 and 5?
0 < x or x < 5
x < 0 and x < 5
x > 0 and x < 5
x > 0 or x < 5
11
Which module would you most likely use for writing a function that simulates a rolling dice?
The math module.
The turtle module.
The random module.
The game module.
12
What does executing the following statement produce?
An error: there is no "%" operator in Python
4.25
4
2
13
Assuming "alex" is a turtle, what does the first iteration of the following for loop produce?
None of these.
The first side of a square (using alex's current colour).
A square (using alex's current colour).
A square (using a different colour for each side).
14
What is the value of the following expression:
3
24
14
13.667
15
Which of the following is the correct way to reference the value "pi" within the math module?
pi.math
math.pi
math(pi)
math->pi
16
The following is a legal variable name in Python: True or False?
True
It depends on the maximum length of a string allowed.
False
It depends on whether variable x is defined or not.
17
What happens if you call the function range( ) with only one argument? It will generate:
An error: "range( )" always needs at least 2 arguments.
A sequence from 0 up to (and not including) the value of n.
A sequence from 1 up to (and not including) the value of n.
A sequence from 1 up to (and including) the value of n.
18
How does Python know what lines are contained in the body of a while loop ?
The loop body ends with a colon (:) which is not shown here.
The loop body is included within square brackets '[', ']'
There is always just one line in the loop body.
They are all equally indented from the header.

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