What tools or packages are available in Python for creating interfaces and abstract classes?

In Python, the abc module (Abstract Base Classes) is used to create interfaces and abstract classes. It allows you to define abstract methods that must be implemented in subclasses, thus providing an interface contract.

Example:

from abc import ABC, abstractmethod

class MyInterface(ABC):
    @abstractmethod
    def do_something(self):
        pass

class Implementation(MyInterface):
    def do_something(self):
        print("Method implementation")

obj = Implementation()
obj.do_something()  # Outputs: Method implementation

You can also use third-party libraries, such as zope.interface, but the standard abc module covers most tasks related to creating abstract classes and interfaces.