rotation of arrays

array_operations.py

def rotate_array_right(array, n):
    length = len(array)
    
    remainder = n % length 
    if remainder == 0:
        return array
    
    temp_array = array[0:remainder]
    return array[remainder:] + temp_array


def reverse_array(array):
    start = 0
    end = len(array)-1
    reversed_array = []
    while end > -1:
        reversed_array.append(array[end])
        end -= 1
    return reversed_array


def rotate_array_left(array, n):
    array = reverse_array(array)
    return reverse_array(rotate_array_right(array, n))