Python Programming Quiz

Which of the following is the correct way to print "Hello World" in Python?

• print("Hello World")

• print("Hello World")

• System.out.print("Hello World")

• console.log("Hello World")

Answer explanation

The correct way to print "Hello World" in Python is using the print function: print("Hello World"). The other options are from different programming languages: System.out.print is Java, and console.log is JavaScript.

What is the result of the expression 3 * 4 + 2 ** 3 in Python?

• 20

• 24

• 28

• 14

Answer explanation

In Python, the expression 3 * 4 + 2 ** 3 is evaluated as follows: 3 * 4 = 12, and 2 ** 3 = 8. Then, 12 + 8 = 20. Therefore, the correct answer is 20.

Which is the correct way to write a single-line comment in Python?

• // This is a comment

• /* This is a comment */

• # This is a comment

Which comparison operator means "not equal to" in Python?

• <>

• !=

• /=

• =!

Answer explanation

In Python, the operator '!=' is used to compare two values and determine if they are not equal. The other options do not represent the 'not equal to' operator.

What is the correct syntax for a while loop in Python?

• while (x > 0) { }

• while x > 0:

• do { } while (x > 0)

• while: x > 0

Answer explanation

The correct syntax for a while loop in Python is 'while x > 0:'. This format uses a colon to indicate the start of the loop block, unlike the other options which are incorrect for Python syntax.

How do you properly define a function with two parameters in Python?

• define myFunction(x, y):

• def myFunction(x, y):

• function myFunction(x, y):

• myFunction(x, y) define:

Answer explanation

The correct way to define a function in Python is by using the 'def' keyword followed by the function name and parameters in parentheses. Thus, 'def myFunction(x, y):' is the proper syntax.

Which method converts a string to lowercase in Python?

• toLower()

• lowercase()

• lower()

• to_lower()

Answer explanation

In Python, the method to convert a string to lowercase is 'lower()'. The other options, such as 'toLower()', 'lowercase()', and 'to_lower()', do not exist in Python's string methods.

Which statement is used to exit a loop prematurely in Python?

• exit

• break

• stop

• return

Answer explanation

In Python, the 'break' statement is used to exit a loop prematurely. It allows you to terminate the loop when a certain condition is met, unlike 'exit', 'stop', or 'return', which serve different purposes.

What is the correct way to catch an exception in Python?

• catch(Exception e) { }

• try-catch(Exception e)

• try: except Exception:

• on Exception:

Answer explanation

The correct way to catch an exception in Python is using the 'try: except Exception:' syntax. This allows you to handle exceptions that occur within the 'try' block, making it the proper method for exception handling in Python.

How do you access the third character in a string str?

• str.charAt(2)

• str[2]

• str(3)

• str.get(2)

Answer explanation

To access the third character in a string, you can use indexing. In Python, strings are zero-indexed, so the third character is at index 2. Therefore, the correct choice is str[2]. The other options are incorrect.