On 17-6-2010 21:51, Back9 wrote: > Hi, > > I have one byte data and want to know each bit info, > I mean how I can know each bit is set or not? > > TIA Use bitwise and, for instance, to see if the third bit is set: byte = 0b11111111 if byte & 0b00000100: print "bit is set" -irmen