Combining Iterables with Fillvalue

The function combines multiple iterable objects into an iterator, if one of the iterable objects is shorter than the others, it fills the gap with fillvalue.

Technology Stack : itertools

Code Type : Function

Code Difficulty : Intermediate

                
                    
def zip_longest(*iterables, fillvalue=None):
    # 将多个可迭代对象组合成一个迭代器，其中较短的序列会用fillvalue填充
    from itertools import zip_longest as zip_longest_from_itertools
    return zip_longest_from_itertools(*iterables, fillvalue=fillvalue)