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import binascii

def crc2hex(crc):
    res
=''
   
for i in range(4):
        t
=crc & 0xFF
        crc
>>= 8
        res
='%02X%s' % (t, res)
   
return res

if __name__=='__main__':
    test
='hello world! and Python too ;)'
    crc
=binascii.crc32(test)
   
print 'CRC:', crc
   
print 'CRC in hex:', crc2hex(crc)

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