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  1. Prepare
  2. Python
  3. Collections
  4. DefaultDict Tutorial
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DefaultDict Tutorial

  • akik22
     + 1 comment

    Hi, just a slight modification, this below also works,

    in place of , 

    for i in range(n[1]):
    print(' '.join(map(str, d[input()])) or -1)

    we can do, 

    for i in range(n[1]):
    print(*d[input()] or -1)