Python学习日志 - 6.字典（习题解答）

#6-1 人

people = {

"first_name" : "Bill",

"last_name" : "Gate",

"age" : 34,

"city" : "Los Angeles"

}

#6-2 喜欢的数字

numbers = {

"bill" : 2,

"john" : 3,

"mary" : 4,

"nick" : 5,

"david" : 6

}

for key in numbers.keys():

print( " {0} loves number {1} ".format(key, numbers[key]))

#6-3&4 词汇表

opcode = {

" \\ n" : "out put a enter key",

" \\ r" : "move the cur to the beginning of the line",

" \\ t" : "out put a tap key",

"main" : "main function of a c progrem",

"int" : "data type refer to integer"

}

for key in opcode.keys():

print( " {0} : {1} ".format(key, opcode[key]))

#6-5 河流

river = {

"nile" : "egypt",

"Changjiang" : "china",

"HuangHe" : "china"

}

for key in river.keys():

print( "The {0} runs through {1} ".format(key, river[key]))

for key in river.keys():

print(key)

for key in river.keys():

print(river[key])

#6-7

people1 = {

"first_name": "July",

"last_name": "Gate",

"age": 34,

"city": "Los Angeles"

}

people2 = {

"first_name": "Lucy",

"last_name": "Gate",

"age": 34,

"city": "Los Angeles"

}

people3 = {

"first_name": "Bill",

"last_name": "Gate",

"age": 34,

"city": "Los Angeles"

}

list1 = [people1, people2, people3]

for peo in list1:

print(peo[ 'first_name'] + " " + peo[ 'last_name'])