#!/usr/bin/env python3# Copyright 2025, Gurobi Optimization, LLC# Separate the model (dietmodel.py) from the data file (diet2.py), so# that the model can be solved with different data files.## Nutrition guidelines, based on# USDA Dietary Guidelines for Americans, 2005# http://www.health.gov/DietaryGuidelines/dga2005/importdietmodelimportgurobipyasgpfromgurobipyimportGRBcategories,minNutrition,maxNutrition=gp.multidict({"calories":[1800,2200],"protein":[91,GRB.INFINITY],"fat":[0,65],"sodium":[0,1779],})foods,cost=gp.multidict({"hamburger":2.49,"chicken":2.89,"hot dog":1.50,"fries":1.89,"macaroni":2.09,"pizza":1.99,"salad":2.49,"milk":0.89,"ice cream":1.59,})# Nutrition values for the foodsnutritionValues={("hamburger","calories"):410,("hamburger","protein"):24,("hamburger","fat"):26,("hamburger","sodium"):730,("chicken","calories"):420,("chicken","protein"):32,("chicken","fat"):10,("chicken","sodium"):1190,("hot dog","calories"):560,("hot dog","protein"):20,("hot dog","fat"):32,("hot dog","sodium"):1800,("fries","calories"):380,("fries","protein"):4,("fries","fat"):19,("fries","sodium"):270,("macaroni","calories"):320,("macaroni","protein"):12,("macaroni","fat"):10,("macaroni","sodium"):930,("pizza","calories"):320,("pizza","protein"):15,("pizza","fat"):12,("pizza","sodium"):820,("salad","calories"):320,("salad","protein"):31,("salad","fat"):12,("salad","sodium"):1230,("milk","calories"):100,("milk","protein"):8,("milk","fat"):2.5,("milk","sodium"):125,("ice cream","calories"):330,("ice cream","protein"):8,("ice cream","fat"):10,("ice cream","sodium"):180,}dietmodel.solve(categories,minNutrition,maxNutrition,foods,cost,nutritionValues)