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Comprehensions & generators

List/dict/set comprehensions, generator expressions, and lazy iteration.

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Comprehensions & generators easy

How to Generate Cartesian Product Combinations in Python

Use itertools.product to generate every combination across multiple iterables, a pattern common for product variant generation.

itertools cartesian product combinations
Python 
from itertools import product

def generate_cartesian_combinations(*iterables):
    """Generate all Cartesian product combinations of given iterables."""
    return list(product(*iterables))

if __name__ == "__main__":
    colors = ["red", "green", "blue"]
    sizes = ["S", "M", "L"]
    styles = ["t-shirt", "hoodie"]…
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