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Python int to binary string?

March 13, 2021 by Code Error
Posted By: Nate

Are there any canned Python methods to convert an Integer (or Long) into a binary string in Python?

There are a myriad of dec2bin() functions out on Google… But I was hoping I could use a built-in function / library.

Solution

Python’s string format method can take a format spec.

>>> "{0:b}".format(37)
'100101'

Format spec docs for Python 2

Format spec docs for Python 3

Answered By: Tung Nguyen

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