In the following example, we loop through a list of numbers, and use the variable digit to hold each number in turn: Strings in Python are considered ... the members or length of the sequence.

To clarify: strings, lists, files, and dictionaries are all examples of iterables. They are datatypes in their own right, but will all automatically play nicely if you try and loop over them in ...

My preferred Python package for retrieving data from the web is the "requests" package, available from PyPI. Thus, I can use a for loop, as follows ... through a list of URLs (as strings), one by one, ...