[转载] 1006- Python 字典(Dictionary) items()方法

参考链接： Python字典dictionary| items()方法

Python 字典的一些操作

用 [TOC]来生成目录：

Python 字典的一些操作

目录字典基础 Markdown及扩展

代码块

字典基础

http://www.runoob.com/python/python-dictionary.html

Python 字典(Dictionary) items() 函数以列表返回可遍历的(键, 值) 元组数组。

d = {key1 : value1, key2 : value2 } dict = {‘Alice’: ‘2341’, ‘Beth’: ‘9102’, ‘Cecil’: ‘3258’}

Markdown及扩展

代码块

inventory = {

'gold' : 500,

'pouch' : ['flint', 'twine', 'gemstone'], # Assigned a new list to 'pouch' key

'backpack' : ['xylophone','dagger', 'bedroll','bread loaf']

}

# Adding a key 'burlap bag' and assigning a list to it

inventory['burlap bag'] = ['apple', 'small ruby', 'three-toed sloth']

# Sorting the list found under the key 'pouch'

inventory['pouch'].sort()

# Your code here

inventory['pocket']=['seashell','strange berry','lint']

inventory['backpack'].sort()

inventory['backpack'].remove('dagger')

inventory['gold'] += 50

Instructions

01.Add a key to inventory called 'pocket'

02.Set the value of 'pocket' to be a list consisting of the strings 'seashell', 'strange berry', and 'lint'

03..sort() the items in the list stored under the 'backpack' key

04.Then .remove('dagger') from the list of items stored under the 'backpack' key

05.Add 50 to the number stored under the 'gold' key

#A Day at the Supermarket

shopping_list = ["banana", "orange", "apple"]

stock = {

"banana": 6,

"apple": 0,

"orange": 32,

"pear": 15

}

prices = {

"banana": 4,

"apple": 2,

"orange": 1.5,

"pear": 3

}

# Write your code below!

def compute_bill(food):

total=0

for item in food:

total =total + prices[item] # not food[item]

return total

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