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from gurobipy import*
m=Model("cons_test")
# My data defined as a multidict
combo, oi = multidict({
(1,1,6,1,1,1): 100,
(1,1,6,1,1,2):200,
(1,1,6,1,1,3):200,
(1,1,6,1,2,1):50,
(1,1,6,1,2,2):70,
(1,1,6,1,2,3):70,
(1,1,20,1,1,1):400,
(1,1,20,1,1,2):450,
(1,2,6,1,1,1): 100,
(1,2...