test_dealer = "Jason"
while( customer_list.size > 0):
....customer = customer_query.pop;
....dealer = find_lowest_price("ottawa", "bmw", customer.car_model);
....if (dealer.name != test_dealer):
........sys.exit(0);
print "welcome to BMW, i'm " + test_dealer;
#test result:
#welcome to BMW, i'm Jason
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