Creating the listsNonEmpty variable

Follow these steps to create the listsNonEmpty variable:
  1. Add an expression to the canvas.
  2. Type quantityOfSharesList.size() > 0 && symbolsList.size() > 0.
  3. Add an expression to the output terminal of the quantityOfSharesList.size() > 0 && symbolsList.size() > 0 expression.
  4. Type listsNonEmpty.
  5. Click the type:string{http://www.w3.org/2001/XMLSchema} figure type:string{http://www.w3.org/2001/XMLSchema}.

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