Some examples:
import numpy
acceleration = [10, 13, 17, 20, 24, 25, 26, 29.5, 30.6, 33.9]
x = numpy.percentile(acceleration, 90)
print(x)
import numpy
x = numpy.random.uniform(0.0, 5.0, 250)
print(x)
import numpy
deceleration = [-5, -10, -20, -30, -45, -40, -60, -55, -50]
x = numpy.percentile(deceleration, 50)
print(x)
import numpy
speed = [5, 20, 10, 15, 15.6, 16.6, 18.6, 19.5, 17.7, 20.55]
a = numpy.percentile(speed, 80)
print(x)