<ul data-eligibleForWebStory="true"><li>The post explains various itertools functions like count(), cycle(), repeat(), accumulate(), batched(), chain(), chain.from_iterable(), compress(), filterfalse(), takewhile(), dropwhile(), groupby(), islice(), pairwise(), starmap(), tee(), zip_longest(), product(), and permutations().</li><li>It mentions that itertools has functions to create iterators and more-itertools offers additional functions by installing with pip.</li><li>The post demonstrates the usage of combinations() and combinations_with_replacement() functions with different arguments and examples.</li><li>combinations() function returns unique combinations from an iterable.</li><li>combinations_with_replacement() function returns non-unique combinations from an iterable allowing for repetition.</li><li>The arguments for both functions include the iterable and the length of the returned tuple.</li><li>The post includes code examples and output for both combinations() and combinations_with_replacement() functions for different scenarios.</li><li>It concludes with examples showcasing how to iterate over combinations and combinations with replacement for specific lengths.</li></ul>

itertools in Python (7)

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