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  1. Prepare
  2. Python
  3. Sets
  4. Set .union() Operation
  5. Discussions

Set .union() Operation

  • Eppie
     + 5 comments

    Very nice! I combined your solution with my previous eval trick and managed to save another 7 characters:

    _,a,_,b=eval("set(input().split()),"*4);print(len(a|b))