Python Programming Quiz

What is the purpose of variables in Python programming?

• The purpose of variables in Python programming is to store and manipulate data.

• The purpose of variables in Python programming is to handle exceptions.

• The purpose of variables in Python programming is to display output.

• The purpose of variables in Python programming is to create loops.

Which of the following is a valid data type in Python? a) Integer b) Float c) String d) All of the above

• c) String

• b) Float

• a) Integer

• d) All of the above.

What is the output of the following code snippet? x = 5 y = 2 print(x % y)

• 3

• 1

• 2

• 0

Which control flow statement is used to execute a block of code repeatedly as long as a certain condition is true?

• for

• if

• while

• switch

What is the output of the following code snippet? numbers = [1, 2, 3, 4, 5] for num in numbers: print(num)

• 1 2 3 4

• 1 2 3 4 5

• 1 2 3 4 5 6

• 1 2 3 4 5

Which file mode is used to open a file for reading?

• w

• a

• x

• r

What is the output of the following code snippet? file = open('data.txt', 'r') print(file.read()) file.close()

• The output of the code snippet will be the file object.

• The output of the code snippet will be the contents of the 'data.txt' file.

• The code will throw an error because the file 'data.txt' does not exist.

• The output of the code snippet will be an empty string.

Which keyword is used to define a class in Python?

• def

• class

• for

• if

What is the purpose of inheritance in object-oriented programming?

• The purpose of inheritance in object-oriented programming is to increase code complexity and make it harder to maintain.

• The purpose of inheritance in object-oriented programming is to promote code reuse and create more specialized classes.

• The purpose of inheritance in object-oriented programming is to limit code reuse and create more generic classes.

• The purpose of inheritance in object-oriented programming is to introduce unnecessary dependencies and increase coupling between classes.

What is the output of the following code snippet? class Rectangle: def __init__(self, length, width): self.length = length self.width = width def area(self): return self.length * self.width rect = Rectangle(5, 3) print(rect.area())

• 8

• 12

• 20

• 15