print('Hello world!')

import numpy

speed = [99,98,97,76]

x = numpy.mean(speed)

print(x)

import numpy

speed = [99,97,96,95,94,93]

y = numpy.median(speed)
print(y)

import numpy

ages = [3,44,42,45,62,41,39,36,44,51]

x = numpy.percentile(ages,75)
print(x)


import numpy

rainfall = [110,113,116,119,200,201,210,218,219]

z = numpy.percentile(rainfall,83)
print(z)