Day 20

 6-5

rivers = {'nile':'egypt', 'Yangtze river':'china', 'Yellow river':'china'}
for river,country in rivers.items():
    print('The ' + river + ' runs through ' + country)
for river in rivers.keys():
    print(river)
for country in rivers.values():
    print(country)

 6-6

fav_las = {
    'jen':'py',
    'sarah':'c',
    'edward':'ruby',
    'phil':'py'
}
for name,language in fav_las.items():
    print(name.title() + "'s fav la is " + language.title() + ".")
investigate = {'jen', 'phil', 'edward'}
for man in fav_las.keys():
    if man in investigate:
        print('thank u.')
    else:
        print('welcome')

 6-7

info_1 = {
    'first_name' : 'Neo',
    'last_name' : 'Wang',
    'age' : 22,
    'city' : 'Yz'
}

info_2 = {
    'first_name' : 'Island',
    'last_name' : 'Zheng',
    'age' : 22,
    'city' : 'Yz'
}

info_3 = {
    'first_name' : 'Island',
    'last_name' : 'Wang',
    'age' : 1,
    'city' : 'Nj'
}

people = [info_1, info_2, info_3]
for info in people:
    name = info['first_name'] + ' ' + info['last_name']
    age = info['age']
    city = info['city']
    print(name + '\n' + str(age) + '\n' + city + '\n')
# for i in info:
#     print(i + ' ' + str(info[i]))

 6-8

island = {
    'type':'cat',
    'master':'Neo'
}

niannian = {
    'type':'cat',
    'master':'Island'
}

wangcai = {
    'type':'dog',
    'master':'sarah'
}

pets = [island, niannian, wangcai]
for pet in pets:
    print('type:' + pet['type'] + '\n' + 'master:' + pet['master'] + '\n')

 6-9

fav_places = {
    'island':['yz', 'nj', 'aj'],
    'neo':['yz', 'nj', 'bj'],
    'sarah':['wh']
}
for name,place in fav_places.items():
    print(name + ':')
    for i in place:
        print(i, end=' ')
    print('\n')

 6-10

list = {}
list['neo1'] = 1, 2
list['island'] = 6, 7, 8
#print(list)
for name,num in list.items():
    print('name:' + name + '\n' + 'fav_nums:' + str(num) + '\n')

 6-11