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

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 ...

# 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 ...

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 ...