The reason why you are getting the unexpected output is because the list comprehension for squared_values is nested inside the list comprehension for...
Okay... I removed the '1' from the width, so that made the new width 935 (I thought the number here was in twips, not pixels. Clearly 1935 pixels is...
The problem is that you are setting the width of the listbox to 1935 pixels. This is wider than the width of two columns, so a third column is added...
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Learn some of the best reasons why you should seriously consider bringing your Android mobile development expertise to bear on the Windows 8 platform.
