from typing import List
def mean_absolute_deviation(numbers: List[float]) -> float:
    mean = sum(numbers) / len(numbers)
    return sum(abs(x - mean) for x in numbers) / len(numbers)
from typing import List
def mean_absolute_deviation(s71c53j: List[float]) -> float:
    mean = sum(s71c53j) / len(s71c53j)
   
    return sum(abs(x - mean) for x in s71c53j) / len(s71c53j)