My thanks to both Max and Kent. So Python tries, and fails, to see 2() as a function!
I also got some help from <http://www.pcwebopedia.com/TERM/c/call.html>
Note that SOME languages use () for call. There are other call constructs, such as:
DO function WITH parameters (FoxPro, similar in COBOL)
function parameter or parameter1 function parameter2 (APL)
Bob Gailer
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