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Algorithms & data structures easy

How to Compute the Dot Product of Two Lists in Python

Compute the dot product of two equal-length numeric lists using a generator expression with zip and sum.

dot product zip sum
Python 
def dot_product(list1, list2):
    """
    Compute the dot product of two numeric lists.
    The lists must have the same length.
    """
    if len(list1) != len(list2):
        raise ValueError("Lists must have the same length")
    
    return sum(a * b for a, b in zip(list1, list2))


if __name__ == "__main__":
  …
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