python - data extraction from dictionary -


i want extract data dictionary. wrote following code 

subarray = {    'chr1': data[data[:,0] == 'chr1'],    'chr2': data[data[:,0] == 'chr2'] } the_key, the_value in subarray.iteritems():    cnt = len(subarray)    in range(cnt):         lst = the_value[i]        chr_name = lst[0]        first_cord = lst[1]        second_cord = lst[2]

i not able extract whole data form list in dictionary getting 23 data points. getting following error 

indexerror: index 19 out of bounds axis 0 size 19


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