How do you use xor binary in python?

I'm trying to xor 2 binaries using python like this but my output is not in binary any help?

a = "11011111101100110110011001011101000"
b = "11001011101100111000011100001100001"
y = int(a) ^ int(b)
print y

karthikr

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asked Oct 16, 2013 at 21:19

1

a="11011111101100110110011001011101000"
b="11001011101100111000011100001100001"
y=int(a,2) ^ int(b,2)
print('{0:b}'.format(y))

answered Oct 16, 2013 at 21:20

RobᵩRobᵩ

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4

To get the Xor'd binary to the same length, as per the OP's request, do the following:

a = "11011111101100110110011001011101000"
b = "11001011101100111000011100001100001"
y = int(a, 2)^int(b,2)
print bin(y)[2:].zfill(len(a))

[output: 00010100000000001110000101010001001]

Convert the binary strings to an integer base 2, then XOR, then bin() and then skip the first two characters, 0b, hence the bin(y0)[2:].
After that, just zfill to the length - len(a), for this case.

Cheers

Matan Itzhak

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answered Mar 19, 2017 at 16:21

BigHBigH

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Since you are trying to carryout XOR on the same length binaries, the following should work just fine:

c=[str(int(a[i])^int(b[i])) for i in range(len(a))]
c=''.join(c)

You can avoid the formatting altogether.

answered Nov 27, 2020 at 17:26

Since you are starting with strings and want a string result, you may find this interesting but it only works if they are the same length.

y = ''.join('0' if i == j else '1' for i, j in zip(a,b))

If they might be different lengths you can do:

y = ''.join('0' if i == j else '1' for i, j in zip(a[::-1],b[::-1])[::-1])
y = a[len(y):] + b[len(y):] + y

answered Oct 16, 2013 at 23:29

dansalmodansalmo

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• Docs »
• ^ Bitwise Exclusive XOR
• Edit on GitHub

Description¶

Returns the result of bitwise XOR of two integers.

Syntax¶

A ^ B

Remarks¶

Bitwise XOR sets the bits in the result to 1 if either, but not both, of the corresponding bits in the two operands is 1.

Example 1¶

>>> bin(0b1111 ^ 0b1111)
'0b0'
>>> bin(0b1111 ^ 0b0000)
'0b1111'
>>> bin(0b0000 ^ 0b1111)
'0b1111'
>>> bin(0b1010 ^ 0b1111)
'0b101'

Example 2¶

>>> # this example swaps integers without a temporary variable using XOR
>>> a = 2
>>> b = 8
>>> a ^= b
>>> b ^= a
>>> a ^= b
>>> a
8
>>> b
2

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