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История изменений

Исправление alfix, (текущая версия) : 

import random

g,s = 0,1
box = [[g,g],[s,g],[s,s]]

for t in ['1/3','1/2','2/3']:
  result = {True:0,False:0}

  while result[True] + result[False] < 1000:
    a = random.choice(box)
    if g in a or t != '1/2':
      while True:
        i = random.randint(0,len(a)-1)
        if a[i] == g:
          result[a[1-i]==g] += 1
          break
        elif t != '1/2':
          if t == '1/3': result[False] += 1
          break
  print(t + ': ' + str(result))


1/3: {False: 681, True: 319}
1/2: {False: 497, True: 503}
2/3: {False: 328, True: 672}

Исправление alfix, : 

import random

g,s = 0,1
box = [[g,g],[s,g],[s,s]]

for t in ['1/3','1/2','2/3']:
  result = {True:0,False:0}

  while result[True] + result[False] < 1000:
    a = random.choice(box)
    if g in a or t != '1/2':
      while True:
        i = random.randint(0,len(a)-1)
        if a[i] == g:
          result[a[1-i]==g] += 1
          break
        else:
          if t == '1/3': result[False] += 1
          if t != '1/2': break
  print(t + ': ' + str(result))


1/3: {False: 681, True: 319}
1/2: {False: 497, True: 503}
2/3: {False: 328, True: 672}

Исходная версия alfix, : 

import random

g,s = 0,1
box = [[g,g],[s,g],[s,s]]

for t in ['1/3','1/2','2/3']:
  result = {True:0,False:0}

  while result[True] + result[False] < 1000:
    a = random.choice(box)
    if g in a or t != '1/2':
      while True:
        i = random.randint(0,len(a)-1)
        if a[i] == g:
          result[a[1-i]==g] += 1
          break
        else:
          if t == '1/3': result[False] += 1
          if t != '1/2': break
    elif t == '2/3':
      result[False] += 1
  print(t + ': ' + str(result))


1/3: {False: 681, True: 319}
1/2: {False: 497, True: 503}
2/3: {False: 328, True: 672}