input: Write a python function to calculate mean, median, mode, and standard deviation of a list of numbers.
  assert mean_median_mode_sd([1, 2, 2, 3, 4]) == (2.4, 2, 2, 1.019803902718557)
  assert mean_median_mode_sd([5, 10, 10, 5, 5, 10]) == (7.5, 7.5, 5, 2.5)
  assert mean_median_mode_sd([2, 8, 10, 6, 4]) == (6.0, 6, 2, 2.8284271247461903)
output: def mean_median_mode_sd(numbers):
      from statistics import mean, median, mode, stdev
      mean_value = mean(numbers)
      median_value = median(numbers)
      mode_value = mode(numbers)
      stdev_value = stdev(numbers)
      return (mean_value, median_value, mode_value, stdev_value)