Python Quiz Challenge 2026 🐍 | Can You Solve These Python MCQs?

Python MCQ Questions with Explanation

1. Which module is used to interact with the operating system in Python?

Question:

Which module is used to interact with the operating system in Python?

Options:

• A. sys
• B. json
• C. math
• D. os

Correct Answer:
✅ D. os

Explanation:

The os module in Python is used to interact with the operating system. It allows you to perform tasks such as:

• Working with files and directories
• Getting environment variables
• Running system commands
• Checking file paths

Example:

import os print(os.getcwd())

This prints the current working directory.

2. What does this code print?

import os print(os.getcwd())

Options:

• A. List of files
• B. Current working directory
• C. Python version
• D. System memory

Correct Answer:
✅ B. Current working directory

Explanation:

The function os.getcwd() means Get Current Working Directory. It returns the path of the directory where the Python program is currently running.

Example output:

C:\\Users\\Aditya\\Desktop

This tells Python where your script is executing.

3. Which function converts a Python dictionary into a JSON string?

Options:

• A. json.load()
• B. json.dump()
• C. json.dumps()
• D. json.loads()

Correct Answer:
✅ C. json.dumps()

Explanation:

The json.dumps() function converts a Python object (like dictionary) into a JSON formatted string.

Example:

import json data = {"name": "Aadi", "age": 22} json_data = json.dumps(data) print(json_data)

Output:
{"name": "Aadi", "age": 22}
So it converts Python → JSON string.

4. What does this code do?

import sys print(sys.version)

Options:

• A. Prints operating system name
• B. Prints Python version
• C. Prints system memory
• D. Prints file list

Correct Answer:
✅ B. Prints Python version

Explanation:

The sys.version command displays the version of Python currently installed.

Example output:

3.11.2 (main, Jan 15 2026, 10:22:33)

It helps developers know which Python version is running.

5. What is the purpose of json.load()?

Options:

• A. Convert Python object to JSON string
• B. Read JSON data from file into Python object
• C. Write JSON to file
• D. Delete JSON file

Correct Answer:
✅ B. Read JSON data from file into Python object

Explanation:

The json.load() function reads JSON data from a file and converts it into a Python object.

Example:

import json with open("data.json") as f: data = json.load(f) print(data)

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