Aug 24, 2023 · Python has a built function iter() which calls the __iter__(). When we iterate over an iterable, Python calls the iter() which returns an iterator, then it starts using __next__() of …

the Python philosophy of "ask for forgiveness, not permission" doesn't work well when e.g. in a list you have both iterables and non-iterables and you need to treat each element differently …

More general: def chain(*iterables): for iterable in iterables: yield from iterable (Put the def and for on separate lines when you run it.) – wjandrea Commented Apr 12, 2019 at 15:29

Apr 28, 2025 · It is because of Python's duck typing. Any object is iterable if it defines the next() and __iter__() method returns itself. If the object itself doesn’t have the next() method, the …

How to join two generators (or other iterables) in Python? 0. Invalid syntax of FOR loop. 0.

Building on the answer by @unutbu, I have compared the iteration performance of two identical lists when using Python 3.6's zip() functions, Python's enumerate() function, using a manual …

Mar 29, 2022 · In Python, is there a way to distinguish between strings and other iterables of strings? A str is valid as an Iterable[str] type, but that may not be the correct input for a …

Oct 28, 2008 · This isn't what OP is looking for, but it's the first result upon googling "merge iterators python," so I figured I would comment: If you're looking for a mergesort-type function …

All lists are iterable, but not all iterables are lists. iterable. An object capable of returning its members one at a time. Iterables include all sequences type (like list, str, and tuples). List is …

This rather depends what you want, if you want to print out all the values, you need to compute them - an iterable doesn't guarantee the values are computed until after they are all requested, …