vector.py

class vector(list):
	pass

def wrap(attr):
	def wrapped(a, b):
		return vector(map(lambda x, y: getattr(x, attr)(y), a, b))
	return wrapped

for attr in "__add__ __sub__ __mul__ __div__".split():
	setattr(vector, attr, wrap(attr))

# do something similar for radd, rsub, etc.

a = vector([1, 2])
b = vector([2, 3])
print(a * b)