第七章课后习题

7-3：

number=input("Enter a number: ")
number=int(number)
if number % 10 ==0:
    print("Yes, this number can be divided by 10.")
else:
    print("No, this number can't be divided by 10.")

count=0
flavors=[]
active=True
while active:
    print("Enter "+str(3-count)+" flavor(s) please.")
    print("Enter 'quit' to exit.")
    flavor=input()
    if flavor == "quit":
        break
    flavors.append(flavor)
    print("We have added "+flavor+" in the pizza!")
    count=count+1
    if count==3:
        active=False
print()
print("Congratulations!We have added ",end='')
for flavor in flavors:
    print(flavor+" ",end='')
print("in the pizza!")

7-8：

sandwich_orders=['chicken','pastrami','tuna','salmon','pastrami','pork','pastrami']
finished_sandwish=[]
while sandwich_orders:
    temp=sandwich_orders.pop()
    print("I made your "+temp+" sandwish!")
    finished_sandwish.append(temp)

print("Finished sandwish: ")
for sandwish in finished_sandwish:
    print(sandwish.title())

7-9：

sandwich_orders=['chicken','pastrami','tuna','salmon','pastrami','pork','pastrami']
print("Pastrami sandwishes have been sold out.")
while 'pastrami' in sandwich_orders:
    sandwich_orders.remove('pastrami')

print()
for sandwish in sandwich_orders:
    print(sandwish.title())