Extended Zip Function with FillValue

This function combines multiple iterable objects into a tuple. If one of the iterable objects is longer than the others, it fills the remaining positions with `fillvalue`.

Technology Stack : Built-in libraries

Code Type : Function

Code Difficulty : Intermediate

                
                    
def zip_longest(*args, fillvalue=None):
    """
    This function is similar to the built-in `zip` function, but it will fill missing values
    from the shorter iterables with `fillvalue` until the longest iterable is exhausted.
    """
    iterators = [iter(arg) for arg in args]
    longest = max(iterators, key=len)
    for element in longest:
        for iterator in iterators:
            try:
                yield next(iterator)
            except StopIteration:
                yield fillvalue