class Market:
def __init__(self):
self._line1=Myqueue()
self._line2=Myqueue()
def addToLine(self,c,q):
"""c is an istance of the Customer class and q is the line number"""
if q==1:
self._line1.enqueue(c)
else:
self._line2.enqueue(c)
def chooseLine(self):
"""chooses the shortest line, but will choose randomly if they are of equal length"""
if len(self._line1)<len(self._line2):
return 1
elif len(self._line1)>len(self._line2):
return 2
else:
return random.choice([1,2])
def shouldIAddCustomer(self,k):
"""the parameter K gives the percent chance of adding a customer during the given clock cycle"""
return random.randint(0,9)<k
def printMarketState(self):
print('line 1: ' + self._line1.__str__())
print('line 2: ' + self._line2.__str__())
def simulate(self,steps,k):
custNumber = 4
for i in range(steps):
print('step number'+i.__str__()+'\n')
if not self._line1.isEmpty():
if self._line1.peek().getItemCount()<=1:
self._line1.dequeue()
else:
self._line1.peek().decrementItems()
if not self._line2.isEmpty():
if self._line2.peek().getItemCount()<=1:
self._line2.dequeue()
else:
self._line2.peek().decrementItems()
#should i add a new customer?
if self.shouldIAddCustomer(k):
NewCustomer=Customer(custNumber)
custNumber+=1
lineChoice=self.chooseLine()
self.addToLine(NewCustomer,lineChoice)
self.printMarketState()
import Myqueue Myqueue.enqueue(1) Myqueue.enqueue(3) Myqueue.enqueue(5) print Myqueue.top() Myqueue.dequeue() print Myqueue.top()