Level 5Exercise #116

Product with reduce

Multiply all numbers using reduce; return 1 for an empty list.

What you’ll practice

This Level 5 exercise focuses on functools.reduce in the Algorithms curriculum. Solve the challenge prompt above using clear, idiomatic Python and the relevant language or standard-library tools.

Relevant Python reference: re — Regular expression operations, functools — Higher-order functions.

Sample Test Cases

Example #1

Input:product([2,3,4])

Output:24

Reference Solution

Reveal Reference Solution

def product(values: list[int]) -> int:
    from functools import reduce
    from operator import mul
    return reduce(mul, values, 1)

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Product with reduce

What you’ll practice

Sample Test Cases

Further Reading

Reference Solution