convert integer to formated binary string in python2.6

Question

In python2.7 "{:010b}".format(25) would return '0000011001' giving a 10 bit binary string representation of the number 25. In python2.6 the same command returns ValueError: zero length field name in format. Is there a different way doing simple formated conversions for python2.6

Martijn Pieters · Accepted Answer · 2013-04-16 16:36:34Z

1

Use the format() function, it's easier (no need for the template placeholder parts, only the formatter string is needed):

format(25, '010b')

but you ran into a simplification in Python 2.7, where you don't have to specify the positional parameter. The 2.6 equivalent is:

"{0:010b}".format(25)

answered Apr 16, 2013 at 16:36

Martijn Pieters

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