class?Frog:

????def?__init__（self?name）:
????????self.name?=?name

????def?__str__（self）:
????????return?self.name

????def?interact_with（self?obstacle）:
????????print（‘{}?the?Frog?encounters?{}?and?{}!‘.format（self
?????????????????????????????????????????????????????????obstacle?obstacle.action（）））


class?Bug:

????def?__str__（self）:
????????return?‘a?bug‘

????def?action（self）:
????????return?‘eats?it‘


class?FrogWorld:

????def?__init__（self?name）:
????????print（self）
????????self.player_name?=?name

????def?__str__（self）:
????????return?‘\n\n\t------?Frog?World?———‘

????def?make_character（self）:
????????return?Frog（self.player_name）

????def?make_obstacle（self）:
????????return?Bug（）


class?Wizard:

????def?__init__（self?name）:
????????self.name?=?name

????def?__str__（self）:
????????return?self.name

????def?interact_with（self?obstacle）:
????????print（‘{}?the?Wizard?battles?against?{}?and?{}!‘.format（self?obstacle?obstacle.action（）））


class?Ork:

????def?__str__（self）:
????????return?‘an?evil?ork‘

????def?action（self）:
????????return?‘kills?it‘


class?WizardWorld:

????def?__init__（self?name）:
????????print（self）
????????self.player_name?=?name

????def?__str__（self）:
????????return?‘\n\n\t------?Wizard?World?———‘

????def?make_character（self）:
????????return?Wizard（self.player_name）

????def?make_obstacle（self）:
????????return?Ork（）


class?GameEnvironment:

????def?__init__（self?factory）:
????????self.hero?=?factory.make_character（）
????????self.obstacle?=?factory.make_obstacle（）

????def?play（self）:
????????self.hero.interact_with（self.obstacle）


def?validate_age（name）:
????try:
????????age?=?input（‘Welcome?{}.?How?old?are?you??‘.format（name））
????????age?=?int（age）
????except?ValueError?as?err:
????????print（“Age?{}?is?invalid?please?try?\
????????again…“.format（age））
????????return?（False?age）
????return?（True?age）


def?main（）:
????name?=?input（“Hello.?What‘s?your?name??“）
????valid_input?=?False
????while?not?valid_input:
????????valid_input?age?=?validate_age（name）
????game?=?FrogWorld?if?age?????environment?=?GameEnvironment（game（name））
????environment.play（）

if?__name__?==?‘__main__‘:
????main（）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????.......??????2209??2016-03-18?18:41??mpdp-code-master\chapter1\abstract_factory.py

????.......??????2895??2016-03-18?18:41??mpdp-code-master\chapter1\data\donut.json

????.......??????1464??2016-03-18?18:41??mpdp-code-master\chapter1\data\person.xml

????.......??????1952??2016-03-18?18:41??mpdp-code-master\chapter1\factory_method.py

????.......???????121??2016-03-18?18:41??mpdp-code-master\chapter1\id.py

????.......??????1398??2016-03-18?18:41??mpdp-code-master\chapter10\chain.py

????.......??????1778??2016-03-18?18:41??mpdp-code-master\chapter11\command.py

????.......??????1671??2016-03-18?18:41??mpdp-code-master\chapter11\first-class.py

????.......??????4723??2016-03-18?18:41??mpdp-code-master\chapter12\interpreter.py

????.......??????1954??2016-03-18?18:41??mpdp-code-master\chapter13\observer.py

????.......??????2733??2016-03-18?18:41??mpdp-code-master\chapter14\state.py

????.......???????524??2016-03-18?18:41??mpdp-code-master\chapter15\langs.py

????.......??????1439??2016-03-18?18:41??mpdp-code-master\chapter15\strategy.py

????.......??????1925??2016-03-18?18:41??mpdp-code-master\chapter16\graph.py

????.......??????1689??2016-03-18?18:41??mpdp-code-master\chapter16\graph_template.py

????.......??????1847??2016-03-18?18:41??mpdp-code-master\chapter16\graph_template_slower.py

????.......???????570??2016-03-18?18:41??mpdp-code-master\chapter16\template.py

????.......???????831??2016-03-18?18:41??mpdp-code-master\chapter2\apple-factory.py

????.......??????4485??2016-03-18?18:41??mpdp-code-master\chapter2\builder.py

????.......???????871??2016-03-18?18:41??mpdp-code-master\chapter2\builder2.py

????.......??????1420??2016-03-18?18:41??mpdp-code-master\chapter2\computer-builder.py

????.......???????396??2016-03-18?18:41??mpdp-code-master\chapter3\clone.py

????.......??????1829??2016-03-18?18:41??mpdp-code-master\chapter3\prototype.py

????.......???????775??2016-03-18?18:41??mpdp-code-master\chapter4\adapter.py

????.......???????414??2016-03-18?18:41??mpdp-code-master\chapter4\external.py

????.......??????1096??2016-03-18?18:41??mpdp-code-master\chapter5\mymath.py

????.......??????2600??2016-03-18?18:41??mpdp-code-master\chapter6\facade.py

????.......??????1789??2016-03-18?18:41??mpdp-code-master\chapter7\flyweight.py

????.......??????1371??2016-03-18?18:41??mpdp-code-master\chapter8\mvc.py

????.......???????993??2016-03-18?18:41??mpdp-code-master\chapter9\lazy.py

............此處省略23個文件信息