CS Student Corner

1. What will: console.log(typeof null) output?

"object" "null" "undefined"

2. Which method adds an element to the end of an array?

push() pop() shift()

3. What does the 'this' keyword refer to in a method?

The object that owns the method The window object undefined

1. How do you create a virtual environment in Python?

python -m venv env virtualenv env Both options work

2. Which data structure is unordered and contains unique elements?

Set List Tuple

3. What is the output of: [x**2 for x in range(5)]?

[0, 1, 4, 9, 16] [0, 1, 4, 9, 16, 25] Error