Returns the weighted average of two or more numbers.

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

Returns the weighted average of two or more numbers.
<ul>
<li>Use <code class="notranslate">sum()</code> to sum the products of the numbers by their weight and to sum the weights.</li>
<li>Use <code class="notranslate">zip()</code> and a list comprehension to iterate over the pairs of values and weights.</li>
</ul>

Weighted average

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