我有一个程序,我目前正在工作的问题。它是一个GTIN-8代码生成器。当我试图启动程序时,我得到了一个错误:
Type Error: Can't convert 'int' to str implicitly.
我的代码如下:
sevenNum = ""
gtinNum = ""
checkDigit = ""
total = ""
a = ""
b = ""
c = ""
d = ""
e = ""
f = ""
g = ""
def GTINCalc():
a = int(sevenNum[0])*3
b = int(sevenNum[1])*1
c = int(sevenNum[0])*3
d = int(sevenNum[1])*1
e = int(sevenNum[0])*3
f = int(sevenNum[1])*1
g = int(sevenNum[0])*3
total = (a+b+c+d+e+f+g)
checkDigit = (total + 9) // 10 * 10 - total
print("GTIN-8 Code:" + a+b+c+d+e+f+g+checkDigit)
def sevenNumAsk():
sevenNum = input("Enter a 7 digit number to be converted into a GTIN-8 Number")
if sevenNum.isdigit() == True and len(sevenNum) == 7:
print("Valid Number - Calculating GTIN-8...")
GTINCalc()
else:
print("The number is not valid - please re-enter ")
sevenNumAsk()
sevenNumAsk()
我对此部分有问题:
total = (a+b+c+d+e+f+g)
checkDigit = (total + 9) // 10 * 10 - total
非常感谢。你知道吗
不能将
string
和int
连接在一起:无论如何,使用字符串格式更为正确,例如:
a
,b
….g
定义为字符串:当你把它们加起来时,
total = (a+b+c+d+e+f+g)
,total
也是一个字符串。你知道吗我认为你的缩进在代码里是错的。如果只是一个复制/粘贴错误,而只发布问题,那么你可以参考@Selcuk的答案。你知道吗
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