def find_index_of_biggest(x):
    """prec: x is a homoegeneous list of sortable objects.
    find the index of the largest element in the list.
    find_index_of_biggest([4,7,1,9,3,2]) -> 3
    
    """
    #y = sorted(x)
    #return x.index(y[-1])
    #return x.index(max(x))
    #for k in range(len(x)):
        #if x[k] == max(x):
            #return k
    index = 0
    biggest = x[0]
    for i, v in enumerate(x):
        if v > biggest:
            index = i
    return index
x = [4,7,1,9,3,2]
y = 3
print(find_index_of_biggest(x) == y)
x = [1,2,3,4,5]
y = 4
print(find_index_of_biggest(x) == y)
x = ["aardvark", "bengal", "carical", "wolf", "sheep", "goat"]
y = 3
print(find_index_of_biggest(x) == y)