Return cumulative sum of a list. Example: [1,2,3,4] => [1,3,6,10]
Implement this function:
def cumulative_sum(lst: list) -> list:
Write the function only — the arguments are read for you and the return value is printed automatically.
Arguments arrive as one Python literal per line, in this order: lst.
Input
[1, 2, 3, 4]
Output
[1, 3, 6, 10]