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Roll ?.  _ 0 0 Deal

?. proceeds from a fixed random seed of 7^5 and a fixed random number generator (RNG), and has no effect on the results of ? (monad or dyad). Use of ?. makes examples reproducible.
 

   ?. 6 
0
   x=: 8$6
   ?. x
0 5 5 4 2 3 2 1
   ?. x
0 5 5 4 2 3 2 1
   ?."0 x
0 0 0 0 0 0 0 0


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