Python: write the body of the function

def new_data(data: list, count: int) -> None: """Update data so that count elements have been removed from the end.

Preconditions: - count >= 0

- len(raw_data) >= count

>>> lst = [72.3, 69.5, 70.0, 70.3, 70.5, 70.7, 72.9]

>>>new_data(lst,2)

>>> lst

[72.3, 69.5, 70.0, 70.3,70.5]