in src/genetic_algorithm.py [0:0]
def __init__(self):
self.fitness_score = 0
# the order to follow, initially completely random.
# each item is simply an index into the delivery_stop_locations list,
# which specifies the exact X,Y location
num_stops = len(delivery_stop_locations)
self.path = list(range(num_stops))
random.shuffle(self.path)