Here are the Top 20 Python Interview Questions and Answers for Freshers with examples and clear explanations to help you prepare confidently:
🚀 1. What is Python?
Answer:
Python is a high-level, interpreted, general-purpose programming language known for its simplicity and readability.
Example:
print("Hello, World!")
Explanation:
Python’s syntax is clean and easy to understand, making it a great choice for beginners and professionals alike.
Python Interview Questions and Answers for Freshers
🧠 2. What are Python’s key features?
Answer:
- Easy to learn and use
- Interpreted language
- Dynamically typed
- Object-oriented
- Large standard library
- Cross-platform
🔠 3. What are Python data types?
Answer:
- Numeric:
int
,float
,complex
- Sequence:
str
,list
,tuple
- Set:
set
,frozenset
- Mapping:
dict
- Boolean:
bool
- None:
NoneType
Example:
x = 10 # int
y = 3.14 # float
z = "Hi" # str
🧮 4. What is the difference between a list and a tuple?
Answer:
Feature | List ([] ) | Tuple (() ) |
---|---|---|
Mutability | Mutable | Immutable |
Syntax | my_list = [1, 2] | my_tuple = (1, 2) |
Example:
my_list = [1, 2, 3]
my_tuple = (1, 2, 3)
Python Interview Questions and Answers for Freshers
🔁 5. What is a loop? Types?
Answer:
Loops help execute a block of code repeatedly.
Types:
for
loopwhile
loop
Example:
for i in range(3):
print(i)
🔤 6. What is the difference between is
and ==
?
Answer:
==
compares values.is
compares memory locations (identity).
Example:
a = [1, 2]
b = [1, 2]
print(a == b) # True
print(a is b) # False
⚙️ 7. What are functions in Python?
Answer:
Functions are reusable blocks of code that perform specific tasks.
Example:
def greet(name):
return "Hello " + name
print(greet("Krishna"))
Python Interview Questions and Answers for Freshers
📦 8. What is a module in Python?
Answer:
A module is a Python file (.py
) containing definitions and statements.
Example:
# file: mymodule.py
def say_hi():
print("Hi!")
# another file
import mymodule
mymodule.say_hi()
🎯 9. What is a Python package?
Answer:
A package is a directory with multiple modules and a __init__.py
file.
Example:
mypackage/
__init__.py
module1.py
module2.py
💥 10. What are Python exceptions?
Answer:
Exceptions are errors detected during execution.
Example:
try:
result = 10 / 0
except ZeroDivisionError:
print("Cannot divide by zero")
🔢 11. What is the use of range()
?
Answer:
Generates a sequence of numbers.
Example:
for i in range(1, 5):
print(i)
Output:
1
2
3
4
Python Interview Questions and Answers for Freshers
🧱 12. What are Python dictionaries?
Answer:
Dictionaries are key-value pairs.
Example:
student = {"name": "John", "age": 20}
print(student["name"])
🐍 13. What is indentation in Python?
Answer:
Indentation defines code blocks in Python.
Example:
if True:
print("Correct Indentation")
📥 14. How to take input from the user?
Answer:
name = input("Enter your name: ")
print("Hello", name)
🔁 15. What is a while
loop?
Answer:
Repeats a block of code as long as the condition is true.
Example:
i = 1
while i <= 3:
print(i)
i += 1
Python Interview Questions and Answers for Freshers
⚖️ 16. What is the difference between break
and continue
?
Answer:
Keyword | Use Case |
---|---|
break | Terminates the loop |
continue | Skips to next iteration |
Example:
for i in range(5):
if i == 3:
break
print(i)
📈 17. What is list comprehension?
Answer:
A concise way to create lists.
Example:
squares = [x*x for x in range(5)]
print(squares)
💡 18. What is a lambda function?
Answer:
An anonymous (nameless) function.
Example:
add = lambda x, y: x + y
print(add(2, 3))
🔁 19. What is recursion in Python?
Answer:
A function calling itself.
Example:
def factorial(n):
if n == 1:
return 1
return n * factorial(n - 1)
print(factorial(5))
🧪 20. What is the difference between append()
and extend()
in lists?
Answer:
Method | Description |
---|---|
append() | Adds single element |
extend() | Adds multiple elements |
Example:
a = [1, 2]
a.append([3, 4]) # [1, 2, [3, 4]]
a = [1, 2]
a.extend([3, 4]) # [1, 2, 3, 4]
Python Interview Questions and Answers for Freshers