fmailhot

""" Iterate over multiple iterables in batches.

Inspired by 'equivalent' definition of zip in docs here:
https://docs.python.org/3.4/library/functions.html#zip
"""

def group_zip(*iterables, batchsize=2):
    # N.B. this truncates to shortest iterable
    sentinel = object()
    iterators = [iter(it) for it in iterables]