Python Interview Questions And Answers

Most targeted up-to-date Python interview questions and answers list

Table of Contents

1. How do you print "Hello, World!" in Python?
2. How do you declare and initialize a variable in Python?
3. How do you define a function in Python?
4. How do you create a class in Python?
5. How do you iterate through a list in Python?
6. How do you handle exceptions in Python?
7. How do you read from a file in Python?
8. How do you write to a file in Python?
9. How do you work with dictionaries in Python?
10. How do you sort a list in Python?
11. How do you work with modules in Python?
12. How do you handle JSON data in Python?

• Whats more?
• Contributing
• License

1. How do you print "Hello, World!" in Python?

Answer:

print("Hello, World!")

2. How do you declare and initialize a variable in Python?

Answer:

name = "John Doe"
age = 25

3. How do you define a function in Python?

Answer:

def greet():
    print("Hello!")

4. How do you create a class in Python?

Answer:

class MyClass:
    def __init__(self, name):
        self.name = name

    def greet(self):
        print(f"Hello, {self.name}!")

5. How do you iterate through a list in Python?

Answer:

my_list = [1, 2, 3, 4, 5]

for item in my_list:
    print(item)

6. How do you handle exceptions in Python?

Answer:

try:
    # Code that may raise an exception
    result = 10 / 0
except ZeroDivisionError:
    print("Cannot divide by zero!")

7. How do you read from a file in Python?

Answer:

with open("file.txt", "r") as file:
    content = file.read()
    print(content)

8. How do you write to a file in Python?

Answer:

with open("file.txt", "w") as file:
    file.write("Hello, World!")

9. How do you work with dictionaries in Python?

Answer:

my_dict = {"name": "John", "age": 25}

# Accessing values
print(my_dict["name"])

# Iterating through key-value pairs
for key, value in my_dict.items():
    print(f"{key}: {value}")

10. How do you sort a list in Python?

Answer:

my_list = [3, 1, 4, 2, 5]
sorted_list = sorted(my_list)
print(sorted_list)

11. How do you work with modules in Python?

Answer:

# Importing a module
import math

# Using functions from the module
square_root = math.sqrt(25)
print(square_root)

12. How do you handle JSON data in Python?

Answer:

import json

# Converting JSON to Python object
json_data = '{"name": "John", "age": 25}'
python_data = json.loads(json_data)
print(python_data)

# Converting Python object to JSON
python_data = {"name": "John", "age": 25}
json_data = json.dumps(python_data)
print(json_data)

What's more?

A comprehensive list of questions and answers

Contributing

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License

MIT License