Python Challenge

What is the output of 'print(3*4)'?

• 10

• 16

• 12

• 7

How do you comment out a line of code in Python?

• Use a '//' at the end of the line

• Add a '#' symbol at the beginning of the line

• Insert '//' at the beginning of the line

• Enclose the line in /* */

What is the result of '5 / 2' in Python?

• 2.2

• 2.5

• 3

• 2.0

Explain the difference between '==' and 'is' in Python.

• The '==' operator compares identities, while the 'is' operator compares values.

• The '==' operator is used for comparison, while the 'is' operator is used for assignment.

• The '==' operator is used for assignment, while the 'is' operator is used for comparison.

• The '==' operator compares values, while the 'is' operator compares identities.

What is the purpose of the 'pass' statement in Python?

• To act as a placeholder for future code implementation

• To import external libraries

• To define a function without any code inside

• To skip the current iteration in a loop

How do you import a module named 'example' in Python?

• import example

• from example import *

• import module example

• include example

What is the use of 'self' in Python classes?

• To refer to the instance of the class itself and access its variables and methods.

• To import external libraries into the class

• To access global variables outside the class

• To define a new class within the existing class

Explain the difference between 'append()' and 'extend()' methods in Python lists.

• The 'append()' method adds a single element, and 'extend()' adds multiple elements to a list.

• The 'append()' method adds elements at the beginning of a list.

• 'extend()' method can only be used with tuples, not lists.

• Both 'append()' and 'extend()' methods add elements one by one to a list.

What is a dictionary in Python?

• A data structure that stores elements in a sorted manner in Python.

• An unordered collection of key-value pairs in Python.

• A type of loop used for iterating over elements in Python.

• A built-in function for sorting elements in Python.

How do you create a virtual environment in Python?

• python -m venv create myenv

• python3 -m env myenv

• python create-env myenv

• python3 -m venv myenv