Find the similarity metric between two strings
There is a built in. from difflib import SequenceMatcher def similar(a, b): return SequenceMatcher(None, a, b).ratio() Using it: >>> similar(“Apple”,”Appel”) 0.8 >>> similar(“Apple”,”Mango”) 0.0
probability
Cosmic Rays: what is the probability they will affect a program?
From Wikipedia: Studies by IBM in the 1990s suggest that computers typically experience about one cosmic-ray-induced error per 256 megabytes of RAM per month.[15] This means a probability of 3.7 × 10-9 per byte per month, or 1.4 × 10-15 per byte per second. If your program runs for 1 minute and occupies 20 MB … Read more