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Lists & loops

Iterate, transform, and combine sequences with readable loop patterns.

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Lists & loops easy

How to Interleave Two Lists in Python Until One List Exhausted

Interleave elements from two lists pairwise using zip, stopping when either list runs out of items.

zip lists interleave
Python 
def interleave(a, b):
    result = []
    for x, y in zip(a, b):
        result.extend([x, y])
    return result

if __name__ == "__main__":
    list1 = [1, 2, 3, 4, 5]
    list2 = ["a", "b", "c"]
    print(interleave(list1, list2))
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