projektA

import random

x = 0
y = 0

r = 5
d = 2 * r

pointsInCircle = 0
area = 0.1
b = 5000000  # number of tries

for a in range(0, int(b)):
    x = random.randrange(-5, 5)
    y = random.randrange(-5, 5)

    if x * x + y * y <= r * r:
        pointsInCircle = pointsInCircle + 1

area = (d * d) * (pointsInCircle / b)

print(area)