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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