Zip two lists in dictionary but keep duplicates in key

Question

I have two lists:

alist = [\'key1\',\'key2\',\'key3\',\'key3\',\'key4\',\'key4\',\'key5\']

blist=  [30001,30002,30003,30003,30004,30004,30005]

Answer 1

A dictionary uses UNIQUE keys, so its imposible to have duplicates.