iterate_recursively: flatten a list easily

iterate_recursively.py

def iterate_recursively(*objects):
    """
    Makes an iterator that returns elements from the `objects` argument.
    If an element is a list or tuple, the element will be iterated 
    recursively, and the iterator returns each items.

    >>> list(iterate_recursively(1, 2, 3))
    [1, 2, 3]
    >>> list(iterate_recursively([1, 2, 3]))
    [1, 2, 3]
    >>> list(iterate_recursively(1, [2, 3]))
    [1, 2, 3]
    >>> list(iterate_recursively(1, [2, [3]]))
    [1, 2, 3]
    >>> list(iterate_recursively([1], (2,(3))))
    [1, 2, 3]
    
    """
    for object in objects:
        if isinstance(object, (list, tuple)):
            for element in iterate_recursively(*object):
                yield element
        else:
            yield object