String binary operations

Question

I want to do OR operation on binaries. I have the binaries in strings. E.g

>>> 110 | 001
111

I have these binaries as strings. LIke this: '110100' and '001011'

For the above inputs, I want an output : 111111

This question isn't clear. Do you mean you have a string like this "110100" which you then split in half and do the following: 110 | 100. Or do you want to do the operation on two separate binary numbers in two different strings. — Daniel Porteous
– Daniel Porteous, Commented Jun 17, 2016 at 6:00
@DanielWesleyPorteous I have inputs in strings. Two different inputs. Both are binaries like "101010" . Means, in string format. So how can we do any operation like AND, OR, or XOR . The basic problem is converting them into true binary before doing anything. — Arindam Roychowdhury
– Arindam Roychowdhury, Commented Jun 20, 2016 at 8:19

Daniel Porteous · Accepted Answer · 2016-06-17 06:10:38Z

1

If you have two strings with a binary number inside them, you can simply convert them to base 10 integers and then do your binary operations inside a bin().

num1 = int("110", 2)
num2 = int("001", 2)

print(bin(num1 | num2))
# Prints 0b111

Or for your second example:

num1 = int("110100", 2)
num2 = int("001011", 2)

print(bin(num1 | num2))
# Prints 0b111111

This gives you answers in actual binary numbers inside python. For reference, I recommend this question: Binary numbers in Python

answered Jun 17, 2016 at 6:10

Daniel Porteous

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1 Comment

Arindam Roychowdhury Over a year ago

Nice answer. This is exactly what I was looking for. Thanks.

Arindam Roychowdhury · Accepted Answer · 2016-06-17 05:28:06Z

0

I could do what I want like this. May be there are simpler ideas.

>>> eval('0b' + '110100') | eval('0b' + '001011')
63

>>> bin(63)
'0b111111'

answered Jun 17, 2016 at 5:28

Arindam Roychowdhury

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