```python
def driest_window(rain: list, width: int) -> int:
    if not isinstance(rain, list):
        raise ValueError("Rain must a list")
    if not all isinstance(rain[i], int) for i in rain:
        raise ValueError("Rain must non non integer")
    if not all isinstance(rain[i],), int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not all isinstance(rain[0], int) int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not all isinstance(rain[0 file) int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not all isinstance(rain[0 file) int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not all isinstance(rain[0 file) int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not isinstance(rain[0 file) int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not isinstance(rain[0 file) int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not isinstance(rains[0 file) int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not isinstance(rains[0 file) int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not isinstance(rains[0 file) int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not isinstance(rains[0 file) int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not isinstance(rains[0 files) int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not isinstance(rains[0 files) int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not isinstance(rains[0 files) int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not isinstance(rains[0 files) int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not isinstance(rains[0 files) int) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not isinstance(rains[0 files) file) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    if not isinstance(rains[0 files) file) for file in rain:
        raise ValueError("Rain exposing expose a negative integer")
    file not isinstance(rains[[0 files) file) for file in file:
        raise ValueError("Rain exposing expose a negative integer")
    file not isinstance(rains[[0 files) file) for file in file:
        raise ValueError("Rain exposing expose a negative integer")
    file not isinstance(rains[[0) file) for file in file:
        raise ValueError("Rain exposing expose a negative integer")
    file not isinstance(rains[ file) file) for file in file:
        raise ValueError("Rain exposing expose a negative integer")
    file not isinstance(rains[) file) for file in file:
        raise ValueError("Rain exposing expose a negative integer")
    file not isinstance(rains[) file) for file in file:
        raise ValueError("Rain exposing expose a negative integer")
    file not isinstance(rains[ files) file) for file in file:
        raise ValueError("Rain exposing expose a negative integer")
    file not isinstance