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<TITLE>RE: [Python-Dev] Rationale for sum()'s design?</TITLE>
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<P><FONT SIZE=2>[Guido van Rossum]</FONT>
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<P><FONT SIZE=2>#- > 1. When omitting the second argument, would supplying an </FONT>
<BR><FONT SIZE=2>#- empty list return 0,</FONT>
<BR><FONT SIZE=2>#- > None or raise an exception?</FONT>
<BR><FONT SIZE=2>#- </FONT>
<BR><FONT SIZE=2>#- Good question...</FONT>
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<P><FONT SIZE=2>I'd go for None:</FONT>
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<P><FONT SIZE=2>- Is a good default for a non-existing argument.</FONT>
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<P><FONT SIZE=2>- If won't get None from sum() in other case (unless you do sum(None), but you should be aware of that).</FONT>
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<P><FONT SIZE=2>. Facundo</FONT>
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