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前言个人在学习《Python编程：从入门到实践》一书的第十六章的第二部分：制作世界人口地图：JSON格式 时，发现之前在豆瓣社区下载的附件资源里并没有population_data.json，百度搜索发现许多人都设置了付费下载，，，，，，，其实，可以去http://data.okfn.org/自己下载。求人不如求己点击链接http://data.okfn.org/找到Search Da...

11-1 城市和国家 1. city _functions.py： def get_city_country_name(city_name,country_name): """返回City, Country格式""" full_name = city_name.title() + ', ' + country_name.title() return full_nam...

10-1 Python 学习笔记file_path = 'D:\IDM-download\Python编程-附件\《Python编程》' \ '源代码文件\chapter_10\learning_python.txt'with open(file_path) as file_object: print(file_object.read())with ope...

9-13 使用OrderedDictfrom collections import OrderedDictfavorite_languages = OrderedDict()favorite_languages['ken'] = 'c'favorite_languages['jack'] = 'PHP'favorite_languages['ben'] = 'JAVA'favori...

9-10 导入Restaurant类1.将Restaurant类存储在restaurant模块中class Restaurant(): def __init__(self,restaurant_name,cuisine_type): self.restaurant_name = restaurant_name self.cuisine_type = cu...

9-4 就餐人数1.直接修改class Restaurant(): def __init__(self,restaurant_name,cuisine_type): self.restaurant_name = restaurant_name self.cuisine_type = cuisine_type self.number_ser...

class User(): """User""" def __init__(self,first_name,last_name): self.first_name = first_name self.last_name = last_name def describe_user(self): print(self.first...

def show_magicians(magicians_name): for magician in magicians_name: print(magician)def make_great(magicians_name): for i in range(0,len(magicians_name)): magicians_name[i] = ...

动手试一试8-6def city_country(city_name,city_country): return ('"' + city_name.title() + ', ' + city_country.title() + '"')print(city_country('jinan','china'))8-7def make_album(album_signer,alb...

8.1.2 实参和形参形参：函数中定义的变量实参：函数中要调用的变量定义一个形参，可以代表多个需要调用的实参动手试一试8-3 T恤def make_shirt(size,logo): print("T恤的尺码：" + size.title() + "\nlogo为：" + logo.title())make_shirt('L','Hello Worl...

Python编程 ：从入门到实践第七章 动手试一试7-8 熟食店sandwich_orders = ['a','b','c']finished_sandwiches = []while sandwich_orders: sandwich_order = sandwich_orders.pop() print("I made your" + sandwich_order +...

使用range()创建数字列表numbers = list(range(1,6))print(numbers)结果：[1, 2, 3, 4, 5]Process finished with exit code 0#指定步长even_numbers = list(range(2,11,2))print(even_numbers)结果：[2, 4, 6, 8, 10]Pro...

3.列表3.1 列表形式name = []3.2 修改、添加和删除元素3.2.1 添加列表元素name.append('a') //末尾name.insert(0,'a') //插入到指定位置3.2.2 删除元素del name[0] //前提已知元素的位置name.pop() //默认删除最后一个元素——列表就像一个栈，而删除列表末尾的元素就相当于弹出栈顶元素name.po...

删除空白eg:name = 'asd 'name.rstrip() //删除右侧空白name.lstrip() //删除左侧空白name.strip() //删除两侧空白，无法删除字符串之间的空白