from time import sleep
from threading import Thread, Lock
class Account(object):
def __init__(self):
self._balance = 0
self._lock = Lock()
def deposit(self, money):
self._lock.acquire()
try:
new_balance = self._balance + money
sleep(0.01)
self._balance = new_balance
finally:
self._lock.release()
@property
def balance(self):
return self._balance
class AddMoneyThread(Thread):
def __init__(self, account, money):
super().__init__()
self._account = account
self._money = money
def run(self):
self._account.deposit(self._money)
def main():
account = Account()
threads = []
for _ in range(100):
t = AddMoneyThread(account, 1)
threads.append(t)
t.start()
for t in threads:
t.join()
print("Account has money: '%d'" % account.balance)
if __name__ == "__main__":
main()
Account has money: '100'
