Interfaces

---

• Parent and Child can have attributes
• Tools only has methods

examples/oop/inheritance/interface.py

class Parent:
    def __init__(self):
        print('__init__ of Parent')

    def in_parent(self):
        print('in_parent')

class Tools:
    def some_tool(self):
        print('some_tool')

class Child(Parent, Tools):
    def __init__(self):
        print('__init__ of Child')
        super().__init__()

    def in_child(self):
        print('in_child')

c = Child()
c.in_parent()
c.some_tool()
c.in_child()

__init__ of Child
__init__ of Parent
in_parent
some_tool
in_child