data_model.py

class DataModel():

    def customer_data_model():
        customer = [
            ('Richa',55),
            ('Calvin',50),
            ('Yono',50),
            ('Tutik',55),
            ('Febri',70),
            ('Zahwa',45),
            ('Cipto',60),
            ('Eko',60),
            ('Khamimah',40),
            ('Mamik',35),
        ]
        return customer

    def create_distance_data_model():
        distance_matrix = [
            [0,8.3,10.2,6.5,6.6,7.1,7.7,5.8,6.0,5.7,8.1],
            [8.3,0,6.8,7.2,5.9,8.8,9.0,4.4,7.9,9.1,5.5],
            [10.2,6.8,0,7.8,6.1,3.2,8.0,5.1,10.0,7.3,4.5],
            [6.5,7.2,7.8,0,5.6,4.7,6.7,7.0,6.9,6.8,9.9],
            [6.6,5.9,6.1,5.6,0,8.9,6.2,0.3,8.2,3.8,5.3],
            [7.1,8.8,3.2,4.7,8.9,0,7.5,4.8,3.9,4.1,6.4],
            [7.7,9.0,8.0,6.7,6.2,7.5,0,5.4,6.5,9.5,7.4],
            [5.8,4.4,5.1,7.0,10.3,4.8,5.4,0,6.3,4.6,8.5],
            [6.0,7.9,10.0,6.9,8.2,3.9,6.5,6.3,0,8.4,11.0],
            [5.7,9.1,7.3,6.8,3.8,4.1,9.5,4.6,8.4,0,7.6],
            [8.1,5.5,4.5,9.9,5.3,6.4,7.4,8.5,11.0,7.6,0],
        ]
        return distance_matrix