A Python for loop gotcha When iterating over the elements of an object in a for loop, don’t do anything that would alter the members or length of the sequence.

Take advantage of the high-level async functions in Python’s asyncio library to write more efficient Python applications.

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 perfo… ...