Python knows that I/O can take a long time, and so whenever a Python thread engages in I/O (that is, the screen, disk or network), it gives up control and hands use of the GIL over to a different ...

Even better, the code can do things you can't do with real pennies. Look at the code. In line 13 it says Nc = NC +choice([1,0]). This picks either 1 or 0. A zero would be heads and removed from ...