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🧑‍🎓 A Cool Python Tip: How to Access Class Variables? 🐍

---

🌟 Scenario:
Imagine you have a variable in a class and want to access it in a method. For example:

class MyClass:
    my_variable = "I am a class variable"

    def my_method(self):
        return f"Accessing variable: {self.my_variable}"

# Test
obj = MyClass()
print(obj.my_method())

📤 Output: Accessing variable: I am a class variable

---

🔍 Explanation:
- In this example, my_method is a regular instance method with the self argument.
- You can access the class variable with self.my_variable, but you need to create an instance of the class (obj = MyClass()).
- What if you want to access it without creating an instance? That’s where @classmethod comes in! 👇

---

💡 Better Way with @classmethod:
If you want to access the variable directly using the class name, use @classmethod:

class MyClass:
    my_variable = "I am a class variable"

    @classmethod
    def my_method(cls):
        return f"Accessing variable: {cls.my_variable}"

# Test
print(MyClass.my_method())

📤 Output: Accessing variable: I am a class variable

---

🔑 What’s the Difference?
- In the first case (regular method), you need to create an instance to call the method.
- In the second case (with @classmethod), you can call the method directly with the class name (MyClass.my_method()) and cls gives you access to class variables.
- Another option is @staticmethod, but you’d have to manually write the class name (e.g., MyClass.my_variable).

---

🎯 Takeaway:
- If you want to work with an instance ➡️ Use a regular method with self.
- If you want to work directly with the class ➡️ Use @classmethod.

Which method do you like more? Drop your thoughts in the comments! 🗣️

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#Python #ProgrammingTips #PythonClass

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🔰 Python Question / Quiz;

What is the output of the following Python code?

This channels is for Programmers, Coders, Software Engineers.

0️⃣ Python
1️⃣ Data Science
2️⃣ Machine Learning
3️⃣ Data Visualization
4️⃣ Artificial Intelligence
5️⃣ Data Analysis
6️⃣ Statistics
7️⃣ Deep Learning
8️⃣ programming Languages

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