updated codes, Python

updated codes

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# change 50 to the price of your cart
price = 200

from random import randint

# to update with new coupons search codes on community wiki
# in the below list all X off Y+ purchases with their 4 digit codes
# (x, y) refers to an $X off $Y+ purchase
# (x, 0) refers to a x% off entire pruchase
CODES = {
    (10, 50) : "9216"
    ,(15, 75) : "9343"
    ,(20, 100) : "0108"
    ,(40, 200) : "9386"
     ,(60, 400) : "9392"
     ,(10, 0): "0017"
}

# define coupons

def applycoupon(i, j, price):
    """apply coupons"""
    price = 1.0*price
    if (i, j) in CODES:
        if j==0:
            return (1-(i/100.0))*price, CODES[(i, j)]
        elif price >= j:
            return price - i, CODES[(i, j)]
        else:
            return price, CODES[(i, j)]
    else:
        return price, "code not in dict"

def min_price_w_coupon(cartprice):
    """check the best coupon to apply to a cart"""
    p_w_coupon = cartprice
    code = "no applicable coupon"
    for key in CODES:
        i = key[0]
        j = key[1]
        test_coup = applycoupon(i, j, cartprice)
        test_coup_price = test_coup[0]
        test_coup_code = test_coup[1]
        if test_coup_price < p_w_coupon:
            p_w_coupon = test_coup_price
            code = test_coup_code
    return p_w_coupon, code

def addcheckdigit(stuff):
    checkdigit = 0
    for j in range(14):
        if j % 2 == 0:
            checkdigit += int(stuff[j])
        else:
            checkdigit += int(stuff[j]) * 3
    print(str(stuff) ) + str((10 -(checkdigit % 10))%10)

def coupon_generator(price):
    if min_price_w_coupon(price)[1]  == "no applicable coupon" or min_price_w_coupon(price)[1]  == "code not in dict":
        print("no applicable coupon")
    else:
        for j in range(100):
            i = randint(0, 50000)
            addcheckdigit("47000" + "%05d" % i + min_price_w_coupon(price)[1])

coupon_generator(price)

[ + ] Show input
Absolute running time: 0.1 sec, cpu time: 0.06 sec, memory peak: 5 Mb, absolute service time: 0,11 sec

470001614000481 470003737300486 470002149600481 470001970800480 470002341200489 470004708600482 470002707500482 470000599400484 470003026200480 470001226500485 470004999000480 470004551400482 470004691300482 470001683600483 470002736600481 470004264600483 470001824200480 470002608800483 470002412300483 470001525800484 470004615400489 470000694900483 470000405800484 470002258100483 470000801400486 470000054100485 470001397000487 470002419500480 470001730200482 470003150300483 470001650500488 470003672100486 470001149800488 470000719500483 470001416100488 470000722400480 470000870900481 470004059000481 470001664900489 470000248900488 470000155900489 470002025700489 470002743200483 470002212600486 470003419700481 470001371300480 470003160700488 470001360700482 470000866100482 470003751100482 470001407400481 470001756100483 470002639800483 470003874800481 470002772000481 470001938100485 470002249700487 470002688200487 470002301700486 470002748400482 470000241700481 470002805800484 470002726100489 470001576300483 470004722500485 470001594000488 470002801400480 470000953400488 470000491700484 470003746400481 470002145500488 470000107000489 470002591100485 470004129700488 470004704500489 470004289600482 470003196700483 470002368200486 470001313900488 470002372300486 470001465600489 470001932400482 470004229000488 470001665300486 470000519900483 470002566200486 470002026800485 470004855500482 470002721200481 470004622800487 470004430500487 470001445100480 470000624700480 470003145200484 470003989200480 470001733500480 470001354200486 470002690900481 470000152900482 470004151900481