#!/usr/bin/python
import time
from array import *
THINKING = 0
HUNGRY = 1
EATING = 2
class Philosopher:
def __init__(self):
self.ph = array('i',[1, 2, 3, 4, 5])
self.sleeptime = array('i',[30, 30, 30, 30, 30])
def initialization_code(self):
for i in range(self.ph.__len__()):
self.ph[i] = THINKING
def pickup(self,i):
self.ph[i] = HUNGRY
self.test(i)
if(EATING not in (self.ph[i])):
while(EATING not in (self.ph[i])):
time.sleep(self.sleeptime[i])
def putdown(self,i):
self.ph[i] = THINKING
self.test((i+4)%5)
self.test((i+1)%5)
def test(self,i):
if((2 not in (self.ph[(i+4)%5]))and(2 not in (self.ph[(i+1)%5]))and(self.ph[i]==HUNGRY)):
self.ph[i] = EATING
def start_process(self):
for i in range(self.ph.__len__()):
self.pickup(i)
self.putdown(i)
def display_status(self):
for i in range(self.ph.__len__()):
if (self.ph[i] == 0):
print "%d is THINKING" % i+1
elif (self.ph[i] == 1):
print "%d is WAITING" % i+1
elif (self.ph[i] == 2):
print "%d is EATING" % i+1
phil = Philosopher()
phil.initialization_code()
phil.start_process()
phil.display_status()
上記は、Pythonで食事する哲学者の問題を実装しようとしている私のコードです。このコードを実行すると、次のエラーが表示されます。
Traceback (most recent call last):
File "dining.py", line 59, in <module>
phil.start_process()
File "dining.py", line 43, in start_process
self.pickup(i)
File "dining.py", line 27, in pickup
self.test(i)
File "dining.py", line 38, in test
if((2 not in (self.ph[(i+4)%5]))and(2 not in (self.ph[(i+1)%5]))and(self.ph[i]==HUNGRY)):
TypeError: argument of type 'int' is not iterable
誰かがこれで私を助けてくれますか、なぜそれはこのエラーを示しているのですか?私はそれについて検索しましたが、解決できませんでした。前もって感謝します!!