[Tutor] Negative IF conditions

[Ron Phillips]

And now for something only slightly different: education research shows
that people process "positives" far more quickly and accurately than
"negatives", so for readability I often code like:
 
if os.path.exists('filename')
    #no-operation
else
    #operation
 
YMMV, of course.
 
Ron

At 08:52 AM 2/11/2005, Mark Brown wrote:
Hi,
I'm a newbie and was wondering which of these IF conditions is better
structure:
if not os.path.exists('filename'): 

if os.path.exists('filename') == False: 

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