HER Future Window

Problem

Return the inclusive index range of future goals for hindsight relabeling.

The window starts at max(t + 1, T - horizon) and ends at T - 1. Return [] when the window is empty.

Hint

The horizon caps how far ahead relabeled goals may come from.

case 1

in: [0,10,5]

expected: [5,9]

case 2

in: [7,10,5]

expected: [8,9]

case 3

in: [9,10,5]

expected: []

case 4

in: [4,5,10]

expected: []

Starter codePython

def her_future_window(t, T, horizon):
    # Your code here
    pass

4 test cases · run your code against them in the editor