The for loop construction in Python easily iterates over a collection of items. Here’s what you need to know to use it well.

If we wanted to transpose the axes of this array in Python, we’d need to write a loop of some kind. NumPy allows us to do this kind of operation with a single command: x2 = np.transpose(x1) ...

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… ...

For example, if a loop is designed to run five times but the list has only three items, the loop would try to access two non-existent indices. In such a situation, the programmer needs to check their ...