chapter13

import random
#  plansza = [[0 for _ in range(8)] for _ in range(8)]
plansza = [8 * [0] for _ in range(8)]
ilosc = 0
while (ilosc < 12):
  x = random.choice(range(8))
  y = random.choice(range(8))
#    if (((x+y) % 2) == 1) and (plansza[y][x] == 0):
  czarne = ((x+y) % 2) == 1
  if (czarne) and (plansza[y][x] == 0):
    plansza[y][x] = 1
    ilosc += 1
for y in range(8):
  print(plansza[y])

Uproszczenie instrukcji warunkowych