class Vector(TypedDict):
    x: int
    y: int
    label: str

# Can also be created as:
# Vector = TypedDict('Vector', x=int, y=int, label=str)

a: Vector = {'x': 1, 'y': 2, 'label': 'good'}  # OK
b: Vector = {'z': 3, 'label': 'bad'}           # Fails type check

print(Vector(x=1, y=2, label='first') == dict(x=1, y=2, label='first')) # True