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OOP & classes

Classes, instances, methods, dataclasses, and object-oriented design in Python.

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OOP & classes easy

Slots Class: How to Reduce Memory Usage in Python

Use __slots__ to prevent dynamic attribute creation and reduce per-instance memory overhead, while keeping methods intact.

memory slots class
Python 
class SlotsDemo:
    __slots__ = ("name", "age", "email")

    def __init__(self, name, age, email):
        self.name = name
        self.age = age
        self.email = email

    def describe(self):
        return f"{self.name}, {self.age}, {self.email}"

if __name__ == "__main__":
    instance = SlotsDemo("Alice", …
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