Pick random element: Difference between revisions
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=={{header|PicoLisp}}==
<lang PicoLisp>(get Lst (rand 1 (length Lst)))</lang>
=={{header|PureBasic}}==
<lang PureBasic>Procedure.s pickRandomElement(List source.s())
Protected x = ListSize(source())
If x > 0
SelectElement(source(), Random(x - 1)) ;element numbering is zero - based
ProcedureReturn source()
EndIf
EndProcedure
;initialize list elements
DataSection
elements:
Data.s "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten"
EndDataSection
#elementCount = 10
NewList item.s()
Restore elements
Define i
For i = 1 To #elementCount
AddElement(item())
Read.s item()
Next
If OpenConsole()
Print("Source list: ")
ForEach item()
Print(item() + " ")
Next
PrintN(#CRLF$)
Print("Random picks from list: ")
For i = 1 To 10
Print(pickRandomElement(item()) + " ")
Next
Print(#CRLF$ + #CRLF$ + "Press ENTER to exit"): Input()
CloseConsole()
EndIf</lang>
Sample output:
<pre>Source list: One Two Three Four Five Six Seven Eight Nine Ten
Random picks from list: Seven Nine Two Six Four Four Nine Three Six Two</pre>
=={{header|Python}}==
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