Raymond Hettinger (@raymondh) 's Twitter Profile
Raymond Hettinger

@raymondh

Chief trainer for Mutable Minds.
Certified Public Accountant, Retired
Python guru. Alloy & TLA⁺ enthusiast.
Aspiring pianist. Former pilot.
Born at 320 ppm CO₂.

ID: 14159138

linkhttps://rhettinger.wordpress.com calendar_today16-03-2008 20:12:52

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Raymond Hettinger
@raymondh

3 months ago

#Python notes: The Counter in the collections module supports two kinds of arithmetic. The update() and subtract() methods implement normal arithmetic with possible negative numbers in the results. The "+" and "-" implement saturating arithmetic giving non-negative results.