hi everybody, I have a file : A B C D E
2717353 2717412 A_16_P03641964 214 -59 2717626 2717685 A_16_P41563655 25 -59 2717710 2717754 A_16_P03641965 1250 -44 2719004 2719063 A_16_P03641966 -36 -59 2719027 2719086 A_16_P21360229 289 -59 2719375 2719428 A_16_P03641967 60 -53 2719488 2719542 A_16_P21360231 418 -54 2719960 2720014 A_16_P03641968 727 -54 2720741 2720786 A_16_P03641969 494 -45 2721280 2721339 A_16_P03641970 -28 -59 2721311 2721370 A_16_P21360234 150 -59 2721520 2721569 A_16_P21360235 199 -49 2721768 2721821 A_16_P03641971 139 -53 2721960 2722004 A_16_P21360237 312 -44 I need to append the column D and E into a list: in such a way that the list should have [D,E,D,E,D,E........] How do i do it. regards shafreen
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