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我在编码错误类型错误:不支持的操作类型为 - :“海峡”和“海峡”
ki = raw_input("Enter Initial Key in HEX 20 bit :")
IV = raw_input("Enter Initial vector in HEX 16 bit :")
for i in xrange(0,20,2):
if(ki[i]>='0' and ki[i]<='9'):
ie=ki[i]-'0'
elif (ki[i]>='a' and ki[i]<='f'):
ie=ki[i]-'a'+10
elif (ki[i]>='A' and ki[i]<='F'):
ie=ki[i]-'A'+10
这个错误已经有些错误
Traceback (most recent call last): File "C:/Users/MrX/PycharmProjects/grain/grain.py", line 16, in ie=ki[i]-'0'; TypeError: unsupported operand type(s) for -: 'str' and 'str'
我希望你能帮助我解决它。由于
什么应该做你的代码? –
即使里面有数字,也不能从字符串中减去字符串。 –