《高级编程技术》第三周作业

5-6 人生的不同阶段：

# -*- coding: utf-8 -*-
age = 23
if age < 2:
    print ('你是婴儿。')
elif age < 4:
    print ('你正蹒跚学步。')
elif age < 13:
    print ('你是儿童。')
elif age < 20:
    print ('你是青少年。')
elif age < 65:
    print ('你是成年人。')
else :
    print ('你是老年人。')

5-7 喜欢的水果：

favorite_fruits = ['orange', 'pineapple', 'watermelon']
if 'apple' in favorite_fruits:
    print ('You really like apple.')
if 'banana' in favorite_fruits:
    print ('You really like banana')
if 'orange' in favorite_fruits:
    print ('You really like orange.')
if 'watermelon' in favorite_fruits:
    print ('You really like watermelon.')
if 'grape' in favorite_fruits:
    print ('You really like grape.')

5-10 检查用户名：

current_users = ['Byrant', 'James', 'Durant', 'Harden', 'Curry']
new_users = ['Durant', 'Davis', 'HARDEN', 'Paul', 'Ingram']

for new_user in new_users:
    if new_user.title() in current_users:
        print ('Sorry,  user name ' + new_user+ ' has been used. Please enter another one.')
    else :
        print (new_user+' is a new user name.')

6-2喜欢的数字：

NBA_Players = {'Byrant':24, 'Jardan':23, 'Iverson':3, 'Duncan':21, "O'Neal":34}
for name, number in NBA_Players.items():
    print (name + "'s number is "+ str(number))

6-5 河流：

rivers = {'nile':'egypt', 'yangtze':'china', 'amazon':'brazil'}
for river, country in rivers.items():
    print ('The ' + river.title() + ' river runs through ' + country.title() + '.')
print ('\n')

for river in rivers.keys():
    print (river.title())
print ('\n')

for country in rivers.values():
    print (country.title())

6-8 宠物：

Rocco = {'Breed':'Bulldog' , 'owner':'Klay Tompson'}
Wangkeke = {'Breed':'Alaskan Malamute' , 'owner':'Wangsicong'}
Dami = {'Breed':'Chinese pastoral cat' , 'owner':'Ms.papi'}

pets = [Rocco, Wangkeke, Dami]

for pet in pets:
    print (pet)