WebTraceback (most recent call last): File "mosaic.py", line 1, in from itertools import pairwise ImportError: cannot import name 'pairwise' from 'itertools' (unknown … Web奇怪的是，这次我们似乎是在 Python 3.9 中运行.....。所以，这让我想知道：我能不能导入itertools.pairwise？我不应该这样做，因为itertools.pairwise是在Python 3.10中才引入的。 from itertools import pairwise >>> from itertools import pairwise

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WebTo import the itertools module, we can use either the import keyword to import the entire module or both the from and import keyword to import a specific object from the module. Let us see an example of importing the itertools module. Example of importing the itertools module in Python import itertools print(dir(itertools)) Output Webimport itertools as it def grouper(inputs, n, fillvalue=None): iters = [iter(inputs)] * n return it.zip_longest(*iters, fillvalue=fillvalue) Now you get a better result: >>> >>> nums = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] >>> … Webdef _pairwise(iterable): """Returns an iterator of paired items, overlapping, from the original >>> take (4, pairwise (count ())) [ (0, 1), (1, 2), (2, 3), (3, 4)] On Python 3.10 and above, … do bluetooth earbuds lag