For further fun try:

# Method 3a: the vaguely Mathematica-ish way
$sum = 0 + join('+', N..M);

[download]
which generates different results, on my machine anyway.

One ought to also compare push, pop, shift, and unshift as well as while, for, foreach, do, and, shudder, a hand crafted LABEL loop.

In reply to Re: Re (VSarkiss)2: Optimizations and Efficiency by scott
in thread Optimizations and Efficiency by dimmesdale

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