Lab 5 - Find average of values in array

def average_sum(a):
    n = a
    i = 0
    suma = 0
    while(i < len(n)):
         suma = suma + n[ i ]
         i = i + 1
    print("Summary =", suma)
    print("Amount of array =", len(n))
    suma = suma/len(n)
    print("Average of summary =", suma)

average_sum([5, 4, 3, 2, 1, 0, 6, 3])