Product of iterable

Created on Jan. 16, 2017 by Julien Palard

Write a function called mul taking a single iterable argument.

The function have to multiply all values from the given iterable.

As an example mul([1, 2, 3]) should compute 1 × 2 × 3.

It is not usefull to use print in this kind of functions (you can still, for debugging purpose), better use return so the result is given back to the caller, and can be used again.

It could then be used like:

print(mul([1, 2, 3]))  # prints 6
print(mul([0, 1, 2, 3]))  # prints 0
print(mul([2, 3, 4]))  # prints the result of 2 * 3 * 4, being 24
print(mul([2, 3, 4]) + mul([1, 2]))  # prints the result of 2×3×4 + 1×2, which is 26
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