Compute Average Without Built-ins | Dataford Interview Questions

Given an array of numbers nums, return its arithmetic mean without using built-in functions such as sum() or len(). Traverse the array manually, compute the total and the number of elements, and return the average as a float. If the array is empty, return None.

Constraints

0 <= nums.length <= 10^5
-10^6 <= nums[i] <= 10^6
Do not use built-in aggregation functions such as sum() or len()

Function Signature

def calculate_average(nums):

Your question is Compute Average Without Built-ins. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

Problem

Constraints

0 <= nums.length <= 10^5
-10^6 <= nums[i] <= 10^6
Do not use built-in aggregation functions such as sum() or len()

Function Signature

def calculate_average(nums):

Your question is Compute Average Without Built-ins. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.