Initial data commit

Task/Priority-queue/PicoLisp/priority-queue-2.l

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+# Two priority queues
+(off Pq1 Pq2)
+
+# Insert into first queue
+(insertPQ 'Pq1 3 '(Clear drains))
+(insertPQ 'Pq1 4 '(Feed cat))
+
+# Insert into second queue
+(insertPQ 'Pq2 5 '(Make tea))
+(insertPQ 'Pq2 1 '(Solve RC tasks))
+(insertPQ 'Pq2 2 '(Tax return))
+
+# Merge second into first queue
+(mergePQ 'Pq1 'Pq2)
+
+# Remove and print all items from first queue
+(while Pq1
+   (println (removePQ 'Pq1)) )