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Python bytes

Mid-ager answered on January 10, 2021 Popularity 10/10 Helpfulness 4/10

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>>> (1024).to_bytes(2, byteorder='big')
b'\x04\x00'
>>> (1024).to_bytes(10, byteorder='big')
b'\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00'
>>> (-1024).to_bytes(10, byteorder='big', signed=True)
b'\xff\xff\xff\xff\xff\xff\xff\xff\xfc\x00'
>>> x = 1000
>>> x.to_bytes((x.bit_length() + 7) // 8, byteorder='little')
b'\xe8\x03'

Popularity 10/10 Helpfulness 4/10 Language python

Source: docs.python.org

Tags: python

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Contributed on Jan 10 2021

Mid-ager

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def bit_length(self):
    s = bin(self)       # binary representation:  bin(-37) --> '-0b100101'
    s = s.lstrip('-0b') # remove leading zeros and minus sign
    return len(s)       # len('100101') --> 6

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Source: docs.python.org

Tags: python py

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Contributed on Jan 10 2021

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