appending into a list

[Beema shafreen]

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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