python作业ch7和ch8

7-3

num = int(input('please input a number:'))

if num % 10 == 0:

print('This number is an integer multiple of 10.')

else:

print('This number is not an integer multiple of 10.')

7-5

age = input('Please input your age:(input "q" to quit)')

while age != 'q':

age = int(age)

if age < 3:

print('You are free of chareg.')

elif age < 12:

print('The price of your ticket is 10 dollars.')

else:

print('The price of your ticket is 15 dollars.')

age = input('Please input your age:(input "q" to quit)')

7-8

sandwich_orders = ['pastrami', 'ham', 'chicken', 'pastrami', 'cheese', 'pastrami']

finished_sandwiches = []

while sandwich_orders:

print('I made your tuna sandwich.')

finished_sandwiches.append(sandwich_orders.pop())

print(sandwich_orders)

print(finished_sandwiches)

output:

7-9：

sandwich_orders = ['pastrami', 'ham', 'chicken', 'pastrami', 'cheese', 'pastrami']

finished_sandwiches = []

print('pastrami was sold out')

while 'pastrami' in sandwich_orders:

sandwich_orders.remove('pastrami')

while sandwich_orders:

print('I made your tuna sandwich.')

finished_sandwiches.append(sandwich_orders.pop())

print(finished_sandwiches)

output:

8-2

def favorite_book(title):

print('One of my favorite book is ' + title + '.')

favorite_book('Alice in Wonderland')

output:

8-5

def describec_city(city, country = 'China'):

print(city + ' is in ' + country + '.')

describec_city('Beijing')

describec_city(city = 'Guangzhou')

describec_city('London', country = 'England')

output:

8-12

def sandwich(*toppings):

print('The types of sandwich include:')

for topping in toppings:

print(topping)

sandwich('pastrami', 'ham', 'chicken')

output: