Write a python program to retrieve the value at a given index of a list.
Lists = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
Index = 1
def getValueAtIndex(my_list, index):
    return my_list[index]

result = getValueAtIndex([[1, 2, 3], [4, 5, 6], [7, 8, 9]], 1) 
print(result)