To Find the max & min elements in a array

Source: Dev.to

Approach

To find the minimum and maximum elements in an array without using built‑in min or max functions, initialize both min and max with the first element of the array. Then iterate through the rest of the array, updating min when a smaller value is encountered and updating max when a larger value is found. Finally, return the two values as a list.

Code

def minmax(arr):
    min_val = arr[0]
    max_val = arr[0]

    for i in range(1, len(arr)):
        if arr[i]  max_val:
            max_val = arr[i]
    return [min_val, max_val]

arr = [12, 3, 15, 7, 9]
print(minmax(arr))