Godblesspelp

import csv


class Item:
    pay_rate = 0.85 #20% discount for customers
    all = []
    def __init__(self, name: str, price: float, quantity = 0):
        # run validations for received arguments
        assert price >= 0, f'price {price} must be positive or zero!'
        assert quantity >= 0, f'quantity {quantity} must be positive or zero!'