Enhanced Zip Longest Function with Fillvalue

The function uses the `zip_longest` function from the `itertools` library to combine multiple iterable objects. If the iterable objects have different lengths, the missing parts are filled with the value specified by `fillvalue`.

Technology Stack : itertools

Code Type : Function

Code Difficulty : Intermediate

                
                    
def zip_longest(*args, fillvalue=0):
    """
    This function will return a zip object that aggregates elements from each of the iterables.
    If the iterables are of uneven length, missing values in the shorter iterables are filled
    with the value specified by fillvalue.
    """
    from itertools import zip_longest

    def _filler():
        for fill in fillvalue:
            yield fill

    iterators = [iter(arg) for arg in args]
    longest = max(iterators, key=len)
    for item in longest:
        for it in iterators:
            yield next(it, next(_filler()))