John Napier’s “Signature” in 12 lines of Python

My university campus is in the home of John Napier, and my city (Edinburgh) and university thus have a strong linkage to logarithms. One of the great things about logs is that they are now used in computer security — in the form of discrete logs. For this we have the difficulty of finding the inverse log when we use large numbers. For example — if we use very large numbers — it is extremely difficult to…