Hi gang:

Recently I attempted to define the constants _left and _right in one 
of my programs, but found them already defined, namely:

     _left = 2
     _right = 6

I can still use them "as is", but what's the significance of the 
values of 2 and 6 for left and right?

I would have thought that one would be "even" and the other "odd", or 
one positive and the other negative, or one twice the value of the 
other, or something obvious -- but 2 and 6? I don't get it. What's 
the reason for this -- and, more importantly, are these values to 
remain constant in the future?

tedd

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