高级编程技术（第六次作业）

#6.2
favorite_number = {
	'alice' : 1,
	'bob' : 2,
	'frank' : 3,
	'harvey' : 4,
	'john' : 5,
}
print(favorite_number)

#6.5 river
rivers = {
	'nile' : 'egypt',
	'changjia' : 'china',
	'yellow river' : 'china'
}

for river in rivers :
	num = rivers.values()
	print(river + " runs through " + rivers[river])

for river in rivers.keys() :
	print (river)

for river in rivers.values() :
	print (river)

#6.8
pet1 = {
	'name' : 'bob',
	'belong' : 'Alice'
}
pet2 = {
	'name': 'jam',
	'belong': 'frank' 
}
pet3 = {
	'name' : 'snoppy',
	'belong' : 'harvey'
}
pets = [pet1,pet2,pet3]

for pet in pets:
	print(pet)

#6.10
favorite_numbers = {
	'alice' : [1,2,3],
	'bob' : [2,3,4],
	'frank' : [3,4,5],
	'harvey' : [4,8,9],
	'john' : [5,6,7]
}

print(favorite_numbers)

#6.11
cities = {
	'beijing': {
		'country' : 'china',
		'population' : '1200k',
		'fact' : 'capital'

	},

	'shanghai' : {
		'country' : 'china',
		'population': '1300k',
		'fact' : 'middle of china'
	}
}

for cityname,cityfact in cities.items():
	print('\ncityname:' + cityname)
	country = cityfact['country'] 
	population = cityfact['population']
	fact = cityfact['fact']

	print('\tcountry: ' + country)
	print('\tpopulation:' + population)
	print('\tfact:' + fact)