Cartelle

import math, random

numero_di_cartelle = 2000

def generaNum(n):
    return int(math.ceil(random.random()*n))
def creaCartella():
    a = []
    while len(a)<15:
        if(generaNum(7)!=1):
            n = generaNum(90)
            if n in a:
                a.append(0)
            else:
                a.append(n)
        else:
            a.append(0)
    a.sort()

    b = ""
    for i in range(0, len(a)):
        if i == 14:
            b += str(a[i]) + "\n"
        else:
            b += str(a[i]) + ", "
    return b

f = open("cartelle.csv", "w+")

f.writelines("seriale, a, b, c, d, e, f, g, h, i, l, m, n, o, p, q\n")

for i in range(1,numero_di_cartelle+1):
    f.writelines(str(i) + ", " + creaCartella())

f.close
#print creaCartella()