class Vector:
def __init__(self, i, j, k):
self.i = i
self.j = j
self.k = k
def print(self):
print(self.i,"i","+",self.j,"j","+",self.k,"k")
def add(self,b):
x = self.i + b.i
y = self.j + b.j
z = self.k + b.k
add = Vector(x, y, z)
return add
def setup():
a = Vector(5,3,4)
b = Vector(2,1,6)
c = a.add(b)
a.print()
b.print()
c.print()
assert c.x == 7 and c.y == 4 and c.z == 10
setup()
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