Code
python
class Vector:
def __init__(self, x, y):
self.x, self.y = x, y
def __repr__(self):
return f"Vector({self.x}, {self.y})"
def __add__(self, other):
return Vector(self.x + other.x, self.y + other.y)
def __eq__(self, other):
return self.x == other.x and self.y == other.y
def __len__(self):
return 2
def __getitem__(self, i):
return (self.x, self.y)[i]
def __iter__(self):
yield self.x
yield self.y