Generators make it far easier to build your own iterators. There’s no fussing around with __iter__ and __next__, and we don’t have to keep track of an internal state or worry about raising ...

return bar b = foo(10) print(b(2)) Generators With all this talk of callables, you also should consider what happens with generator functions. Python loves iteration and encourages you to use for ...

If you’ve ever written any Python at all, the chances are you’ve used iterators without even realising it. Writing your own and using them in your programs can provide significant performance ...