Finally, we will conclude with loops, Python's powerful tools for repetition and iteration. You'll master for loops for iterating through sequences and collections, while loops for continuing ...

# it essentially peek() at the element that will be returned by the next call to next(). # Here is an example. Assume that the iterator is initialized to the beginning of # the list: [1, 2, 3]. # Call ...

Infinite Iterator In the next solution we don't need to provide a limit, our iterator never raises an exception, and therefor it never stops by itself. We assume that the user who uses this iterafor ...

Working with files in Python is pretty easy. But there’s a common mistake that can sneak into your code. Not closing the file ...