from math import *
from random import *


def alea(a):
    aux=-a+2*random()*a
    return aux


L=[alea(4) for i in range(1000)]
L.sort()
print(L)
               


def A(n):
    c=0
    for i in range(n):
        x=alea(4)
        y=alea(3)
        if x**2/9+y**2/4<1:
            c=c+1
    return 48*c/n  #aire/aire du rectangle  = c/n
#