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我的代碼:如何總結兩個數字在列表
creditcardnumber = input("Enter Here:")
def luhn(creditcardnumber):
k = list((creditcardnumber))
odd = [int(k[i]) for i in range(1, len(k),2)][::-1]
doubled = [2*d for d in odd]
print(doubled)
print(luhn(creditcardnumber))
它西港島線打印出類似這樣:
[12, 10, 8, 6, 4, 2, 2, 16, 12, 8, 4]
我來總結TE輸出。但是當一個數值超過兩位數時,我必須爲上面的例子做:(1 + 2)+(1 + 0)+ 8 + 6 + 4 + 2 + 2 +(1 + 6)等
任何人都可以幫我嗎?
http://stackoverflow.com/questions/29197219/credit-card-number-validator-doesnt-work-correctly/29197921#29197921 –
@PadraicCunningham謝謝 – jozofe