from dataclasses import dataclass
# No structures: a dataclass is the closest,
# it writes the constructor itself
@dataclass
class Size:
width: int
height: int
@dataclass
class Point:
top: int
left: int
@dataclass
class Rectangle:
size: Size
point: Point
size = Size(10, 10)
# Arguments by name
point = Point(top=5, left=5)
rect = Rectangle(size, point)
print(f"{rect = }")