def work(self):

print("Sales Manager working...")

def talk(self):

def __init__(self):

self.busy = 'No'

self.sales = None

def work(self):

print("Proxy checking for Sales Manager availability")

if self.busy == 'No':

self.sales = SalesManager()

time.sleep(2)

self.sales.talk()

else:

time.sleep(2)