wk2 - quiz.py

Question 1
Which of the following is a comment in Python?

* This is a test
// This is a test
# This is a test
/* This is a test */


Answer: # This is a test

Question 2
What does the following code print out?

print("123" + "abc")
This is a syntax error because you cannot add strings
hello world
123abc
123+abc 

Answer: 123abc

Question 3
Which of the following is a bad Python variable name?

spam23
SPAM23
23spam
spam_23

Answer: 23spam

Question 4
Which of the following is not a Python reserved word?
spam
else
for
if

Answer: spam

Question 5
What does the following statement do?
x = x + 2

Exit the program
This would fail as it is a syntax error
Increase the speed of the program by a factor of 2
Retrieve the current value for x, add two to it and put the sum back into x

Answer: Retrieve the current value for x, add two to it and put the sum back into x

Question 6
Which of the following elements of a mathematical expression in Python is evaluated first?

Parenthesis ( )
Subtraction -
Multiplication *
Addition +

Answer: Parenthesis ( )

Question 7
What is the value of the following expression
42 % 10

Hint - the "%" is the remainder operator
0.42
420
1042
2

Answer: 2


Question 8
What is the value in x after the following statement executes:
x = 1 + 2 * 3 - 8 / 4

5
4
15
8

Answer: 5

Question 9
What value be in the variable x when the following statement is executed

x = int(98.6)
100
99
98
6

Answer: 98

Question 10
What does the Python raw_input() function do?

Connect to the network and retrieve a web page.
Take a screen shot from an area of the screen
Pause the program and read data from the user
Read the memory of the running program

Answer: Pause the program and read data from the user