Python Question / Quiz;

What is the output of the following Python code, and why? 🤔🚀 Comment your answers below! 👇

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Python Question / Quiz;

What is the output of the following Python code, and why? 🤔🚀 Comment your answers below! 👇

#python #programming #developer #programmer #coding #coder #softwaredeveloper #computerscience #webdev #webdeveloper #webdevelopment #pythonprogramming #pythonquiz #ai #ml #machinelearning #datascience

https://t.iss.one/DataScienceQ

Python Question / Quiz;

What is the output of the following Python code, and why? 🤔🚀 Comment your answers below! 👇

#python #programming #developer #programmer #coding #coder #softwaredeveloper #computerscience #webdev #webdeveloper #webdevelopment #pythonprogramming #pythonquiz #ai #ml #machinelearning #datascience

https://t.iss.one/DataScienceQ

🎯 Python Quick Quiz – OOP Edition
💡 _What is the primary use of the __init__ method in a Python class?_

🔘 Option 1: Initializing class attributes ✅
🔘 Option 2: Defining class methods
🔘 Option 3: Inheriting from a superclass
🔘 Option 4: Handling exceptions

🧠 Correct Answer: Option 1
📌 The init method is a special method used to initialize the object’s attributes when a class is instantiated. It's like a constructor in other programming languages.

class Person:
    def __init__(self, name, age):
        self.name = name
        self.age = age

john = Person("John", 25)
print(john.name)  # Output: John

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🎨https://t.iss.one/DataScienceQ

1. What is the output of the following code?

x = [1, 2, 3]
y = x
y.append(4)
print(x)

2. Which of the following data types is immutable in Python?
A) List
B) Dictionary
C) Set
D) Tuple

3. Write a Python program to reverse a string without using built-in functions.

4. What will be printed by this code?

def func(a, b=[]):
    b.append(a)
    return b

print(func(1))
print(func(2))

5. Explain the difference between == and is operators in Python.

6. How do you handle exceptions in Python? Provide an example.

7. What is the output of:

print(2 ** 3 ** 2)

8. Which keyword is used to define a function in Python?
A) def
B) function
C) func
D) define

9. Write a program to find the factorial of a number using recursion.

10. What does the *args parameter do in a function?

11. What will be the output of:

list1 = [1, 2, 3]
list2 = list1.copy()
list2[0] = 10
print(list1)

12. Explain the concept of list comprehension with an example.

13. What is the purpose of the __init__ method in a Python class?

14. Write a program to check if a given string is a palindrome.

15. What is the output of:

a = [1, 2, 3]
b = a[:]
b[0] = 10
print(a)

16. Describe how Python manages memory (garbage collection).

17. What will be printed by:

x = "hello"
y = "world"
print(x + y)

18. Write a Python program to generate the first n Fibonacci numbers.

19. What is the difference between range() and xrange() in Python 2?

20. What is the use of the lambda function in Python? Give an example.

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By: @DataScienceQ 🚀

🧠 Quiz: What is the most "Pythonic" way to create a new list containing the squares of numbers from an existing list called nums?

A) Using a for loop and the .append() method.
B) new_list = [num**2 for num in nums]
C) Using a while loop with an index counter.
D) new_list = (num**2 for num in nums)

✅ Correct answer: B

Explanation: This is a list comprehension. It's a concise, readable, and often faster way to create a new list from an iterable compared to a traditional for loop. Option D creates a generator expression, not a list.

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By: @DataScienceQ ✨