p.py

import numpy as np
import random

F = 0
h, k, l = (random.random() for _ in range(3))
N = random.randint(5,10) # pegar um inteiro qq

for n in range(N):
    xn,yn,zn,fn = (random.random() for _ in range(4))
    F += fn*np.exp(2*np.pi*np.complex(0,1)*(h*xn+k*yn+l*zn))

print(F)