Learn Mode

Python Programming and Data Structures Quiz

Go to Quiz Page

Which of the following data types is mutable in Python?

List

Explanation

Lists can be modified after creation.

What will be the output of the following code?

```
print(2 + 2 * 3 - 2 / 2)

Explanation

Follows PEMDAS rule, resulting in 7.

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

To create an empty code block

Explanation

'pass' serves as a placeholder for future code.

What is the output of the following code?

```
print(10 / 2)

2.0

Explanation

Result of division operation in Python.

Which of the following is not a valid data type in Python?

Array

Explanation

'Array' is not a built-in data type in Python.

Which of the following statements is true regarding Python's 'pass' statement?

It does nothing and acts as a placeholder

Explanation

'pass' is used as a no-operation placeholder.

What is the output of the following code?

```
my_list = [1, 2, 3]
print(my_list[3])

Error

Explanation

Accessing index out of range raises an error.

What is the time complexity of searching for an element in a binary search tree (BST) in the worst-case scenario?

O(log n)

Explanation

Binary search in BST has logarithmic time complexity.

Which of the following sorting algorithms has the worst-case time complexity of O(n^2)?

Bubble Sort

Explanation

Bubble sort has quadratic time complexity.

#10

What will be the output of the following code?

```
def foo(x, y=[]):
y.append(x)
return y

print(foo(1))
print(foo(2))

[1], [1, 2, 2]

Explanation

Default argument is shared across function calls.

#11

What will be the output of the following code?

```
print('hello'.capitalize())

Hello

Explanation

Capitalizes the first letter of the string.

#12

In Python, what is the result of '10' == 10?

False

Explanation

Type mismatch results in False.

#13

What does the 'self' keyword represent in Python class methods?

Current instance of the class

Explanation

'self' refers to the instance on which a method is called.

#14

Which of the following statements is true about Python's garbage collection?

Python uses both reference counting and cyclic garbage collection

Explanation

Python employs multiple strategies for garbage collection.

#15

What is the purpose of the 'yield' keyword in Python?

To suspend and resume the execution of a generator function

Explanation

'yield' generates values lazily, preserving state.

#16

Which of the following statements is true about Python's 'lambda' functions?

They can only have one expression

Explanation

Lambda functions are restricted to single expressions.

#17

What does the 'super()' function do in Python?

It invokes the method of the superclass

Explanation

'super()' calls methods from the superclass.

Python Programming and Data Structures Quiz

Which of the following data types is mutable in Python?

What will be the output of the following code?```print(2 + 2 * 3 - 2 / 2)

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

What is the output of the following code?```print(10 / 2)

Which of the following is not a valid data type in Python?

Which of the following statements is true regarding Python's 'pass' statement?

What is the output of the following code?```my_list = [1, 2, 3]print(my_list[3])

What is the time complexity of searching for an element in a binary search tree (BST) in the worst-case scenario?

Which of the following sorting algorithms has the worst-case time complexity of O(n^2)?

What will be the output of the following code?```def foo(x, y=[]): y.append(x) return yprint(foo(1))print(foo(2))

What will be the output of the following code?```print('hello'.capitalize())

In Python, what is the result of '10' == 10?

What does the 'self' keyword represent in Python class methods?

Which of the following statements is true about Python's garbage collection?

What is the purpose of the 'yield' keyword in Python?

Which of the following statements is true about Python's 'lambda' functions?

What does the 'super()' function do in Python?

Test Your Knowledge

What will be the output of the following code?

```
print(2 + 2 * 3 - 2 / 2)

What is the output of the following code?

```
print(10 / 2)

What is the output of the following code?

```
my_list = [1, 2, 3]
print(my_list[3])

What will be the output of the following code?

```
def foo(x, y=[]):
y.append(x)
return y

print(foo(1))
print(foo(2))

What will be the output of the following code?

```
print('hello'.capitalize())