Extended Zip Function

This function takes any number of iterable objects as arguments and yields a tuple sequence based on the length of the shortest input sequence. If an input sequence is exhausted, it is filled with fillvalue.

Technology Stack : Built-in library: collections

Code Type : Function

Code Difficulty : Intermediate

                
                    
def zip_longest(*args, fillvalue=0):
    """
    Similar to the zip function, but the shortest input sequence is extended by fillvalues if the input
    sequences are of unequal length.
    """
    iters = [iter(arg) for arg in args]
    while True:
        result = []
        for iter_ in iters:
            try:
                result.append(next(iter_))
            except StopIteration:
                result.append(fillvalue)
        yield tuple(result)