class_approach.py

class TimeSlots:
    def __init__(self, time, price):
        self.time = time
        self.price = price

    def __str__(self):
       return "time|price : "+str(self.time)+"|"+str(self.price)

    def __repr__(self):
        return self.__str__()

    def __hash__(self):
        return (self.time, self.price)

    def __eq__(self, other):
        if self.time == other.time and self.price == other.price:
            return True
        else:
            return False