pylabrobot.resources.TubeRack.get_tube# TubeRack.get_tube(key: int | str) → Tube | None# Get the tube at the given position. Parameters: key (int | str) – Position of the tube to get. Can be an integer index or a string name. Returns: The tube at the given position, or None if there is no tube at that position. Return type: Tube | None