Well, the phrase is older than dirt, but it was Grace Hopper that said it (in the context of computing), though, she was likely talking about a larger scope than flow control.
Python is all about permissiveness, encouraging expressiveness. If the flow means checking->doing->handling is more expensive/less reliable/less maintainable than doing->handling, then you do->handle. Simple as.
Well, the phrase is older than dirt, but it was Grace Hopper that said it (in the context of computing), though, she was likely talking about a larger scope than flow control.
Python is all about permissiveness, encouraging expressiveness. If the flow means checking->doing->handling is more expensive/less reliable/less maintainable than doing->handling, then you do->handle. Simple as.