Largest Number in Array

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Your question is Largest Number in Array. Start with the requirements on the right.

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Problem

The Western Digital Dashboard may provide QA test data as an array of numeric SMART metric readings. Write a function that returns the largest number in a non-empty array without sorting the array or using a built-in maximum function.

Formal Specification

Implement find_largest(nums), where nums is a non-empty list of integers. Return the greatest integer in nums. The input list must not be modified.

Constraints

1 <= len(nums) <= 100000
-10^9 <= nums[i] <= 10^9
Values may be positive, zero, or negative.
Duplicate values are allowed.
Do not sort the array or call max().
Preserve the input array.

Function Signature

def find_largest(nums):

Your solutionPython 3

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