import math
import random
import fileinput

x0 = 10
y0 = 20
z0 = 30
max_len = 10


def gen(x0, y0, z0, max_len, count, filename):
    zc = []
    xc = []
    yc = []
    for i in range(0,count):
        fi1 = math.pi * 2 * random.random()
        fi2 = math.pi * 2 * random.random()
        len = random.random() * max_len

        xc.append( x0 + len * math.cos(fi1) * math.sin(fi2) )
        yc.append( y0 + len * math.cos(fi1) * math.cos(fi2) )
        zc.append( z0 + len * math.sin(fi1) )
    with open(filename, 'w') as the_file:
        str =  "X:===========================\n"
        str += xc.__str__().replace("[","").replace("]","\n").replace(", ","\n")
        str += "Y:===========================\n"
        str += yc.__str__().replace("[","").replace("]","\n").replace(", ","\n")
        str += "Z:===========================\n"
        str += zc.__str__().replace("[","").replace("]","").replace(", ","\n")
        the_file.write(str)

gen(0, 0, 0, 20, 100, "result.txt")