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weighted_average python Code Snippet in 2024

mathlistintermediate

Last Updated: 20 April 2024

Returns the weighted average of two or more numbers.

  • Use sum() to sum the products of the numbers by their weight and to sum the weights.
  • Use zip() and a list comprehension to iterate over the pairs of values and weights.
def weighted_average(nums, weights): return sum(x * y for x, y in zip(nums, weights)) / sum(weights)
weighted_average([1, 2, 3], [0.6, 0.2, 0.3]) # 1.72727

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