How do I initialize class variables in Python?

How do I initialize class variables in Python?

In Python, class variables can be initialized directly within the class definition. For example:

class MyClass:
    class_variable = 0  # This is a class variable

Can you explain the difference between class variables and instance variables?

Sure! Class variables are shared across all instances of a class, while instance variables are unique to each instance. For example:

class MyClass:
    class_variable = 0  # Shared by all instances

    def __init__(self, value):
        self.instance_variable = value  # Unique to each instance

How can I access a class variable from an instance?

You can access a class variable from an instance using the class name or directly from the instance. For example:

obj = MyClass()
print(obj.class_variable)  # Accessing via instance
print(MyClass.class_variable)  # Accessing via class name