000 00253nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aMIKE, MC GRATH
245 0 _aPYTHON IN EASY STEP
260 _bMC GRAW - HILL
650 _aComputer
942 _2ddc
999 _c100050
_d100050