︠5c786811-e717-443b-81b3-efc492d0b75cs︠ var("x,y") t = (x,y) # this is a tuple tuple([a.subs(x=10,y=20) for a in t]) tuple([a.subs({x:10,y:20}) for a in t]) vector([x,y]).subs(x=10,y=20) # this is a vector ︡dd616d84-458f-4a77-9d99-28f5460319c1︡{"stdout":"(x, y)\n"}︡{"stdout":"(10, 20)\n"}︡{"stdout":"(10, 20)\n"}︡{"stdout":"(10, 20)\n"}︡ ︠98bc36bf-50c0-40bd-971e-22e97be5c16c︠