1 print  ("Game over")
2 
3 input ("press enter key to exit")

注意：python语言是区分大小写的，因此print写成Print或PRINT，python语言是报错的。同理，变量abd和ABC对python来说是两个不同的变量。
input()语句提供了用户交互的功能。　　

1 # GAME OVER
2 #演示print（）的用法
3 print  ("Game over")
4 
5 input ("press enter key to exit")

 1 #game_over - version 2
 2 #演示引号在字符串中的用法
　　#在引号中使用引号,只有字符串中的引号显示.最外的引号仅起到括定字符串的作用.
 3 print ("Program 'Game Over' 2.0")
 4 
 5 print ("same","message","as before") # 一次性传递给print()多个值,各个值间用,分开,可以一次性打印出来.print()默认各值之间用空格分隔
 6 
 7 print ("Just",
 8        "a bit",
 9        "bigger")
10 
11 print ("here",end=" ")# end= " ",指定print的行结束符是用空格,这个语句执行完后,不换行,打印一个空格.默认的行结束符是换行符.也可以指定其他的字符.
12 print ("it is ...")
13 
14 print ("""
15  
16 ________  ________  _____ ______   _______      
17 |\   ____\|\   __  \|\   _ \  _   \|\  ___ \     
18 \ \  \___|\ \  \|\  \ \  \\\__\ \  \ \   __/|    
19  \ \  \  __\ \   __  \ \  \\|__| \  \ \  \_|/__  
20   \ \  \|\  \ \  \ \  \ \  \    \ \  \ \  \_|\ \ 
21    \ \_______\ \__\ \__\ \__\    \ \__\ \_______\
22     \|_______|\|__|\|__|\|__|     \|__|\|_______|
23                                                  
24                                                  
25                                                  
26  ________  ___      ___ _______   ________       
27 |\   __  \|\  \    /  /|\  ___ \ |\   __  \      
28 \ \  \|\  \ \  \  /  / | \   __/|\ \  \|\  \     
29  \ \  \\\  \ \  \/  / / \ \  \_|/_\ \   _  _\    
30   \ \  \\\  \ \    / /   \ \  \_|\ \ \  \\  \|   
31    \ \_______\ \__/ /     \ \_______\ \__\\ _\   
32     \|_______|\|__|/       \|_______|\|__|\|__|  
33                                                  
34                                                                                               
38     """)
39 
40 input ("\n\npress enter key to exit")

1 print ("python 语言中数字运算符的应用")
2 print ("2000-100+200=",2000-100+200)
3 print ("真除法 10/3=",10/3)
4 print ("取整除法 10//3=",10//3)
5 print ("取余除法 10%3=",10%3)

Python 3.8.10 (/usr/bin/python3)
>>> %cd '/home/loong/文档/thonny_pyprogram/game-py/chat2'
>>> %Run creeter.py
python 语言中数字运算符的应用
2000-100+200= 2100
真除法 10/3= 3.3333333333333335
取整除法 10//3= 3
取余除法 10%3= 1

>>> name = "loong"
>>> id (name)
140610209958000
>>> type (name)
<class 'str'>
>>> na = "loong"
>>> id (na)
140610209958000
>>> 

1 #2.7 获取用户输入
2 #让用户输入自己的名字，并在计算机上显示
3 name = input ("你好，请问你叫什么\n")
4 
5 print ("\n你的名字真好听,",name)
6 print("bye！",name)
7 input ("退出请按回车键")

你好，请问你叫什么
andi

你的名字真好听, andi
bye! andi
退出请按回车键

#转换字符串练习
#quotation manipulation
quote = ("I think there is a world market for maybe five computers.")
print ("original quote:\n",quote)
print ("\nIn uppercase:")
print (quote.upper())
print ("\nIn lowercass:")
print (quote.lower())
print ("\nas a title:")
print (quote.title())
print ("\nwith a minor Replacement:")
print (quote.replace("five","millions of"))
print ("original quote is still:\n")
print (quote)
input ("press enter key to exit")

original quote:
 I think there is a world market for maybe five computers.

In uppercase:
I THINK THERE IS A WORLD MARKET FOR MAYBE FIVE COMPUTERS.

In lowercass:
i think there is a world market for maybe five computers.

as a title:
I Think There Is A World Market For Maybe Five Computers.

with a minor Replacement:
I think there is a world market for maybe millions of computers.
original quote is still:

I think there is a world market for maybe five computers.
press enter key to exit

1 car = input ("how money for your car:")
2 car = int (car)
3 type (car)
4 
5 #等于car = int (input("how money for your carL"))

Python 3.8.10 (/usr/bin/python3)
>>> car = input ("how money for your car:")
how money for your car:3500
>>> type (car)
<class 'str'>
>>> car = int(car)
>>> type(car)
<class 'int'>

import random
die1 = random.randint(1,6)

import random
die2 = random.randrange(6)

 1 #演示随机数模块和if语句
 2 #随机显示心情指数
 3 
 4 import random
 5 happy_num= random.randint(1,3)
 6 print ("让我们看看你现在的心情\n")
 7 if happy_num == 1:
 8     print ("oh,nice.\(^o^)/ \n")
 9 elif happy_num == 2:
10     print ("oh,no!⊙︿⊙\n")
11 else:
12     print ("oh,你入定了. ^*(- -)*^\n")
13     
14 input ("\n好了,就到这里吧.再会!")

1 i = 0
2 while i < 10:
3     print (i+1,end=" ")
4     i += 1

1 #模拟游戏中一个英雄受到到攻击后挂掉的过程
2 #初始体力是10,每受一次攻击,体力减3
3 heal = 10
4 while heal != 0:
5     heal -= 3
6     if heal > 0:
7         print("你受到伤害,你的生命值是",heal)
8     else:
9         print ("你受伤太重,终于翘了",heal)

1 rmb = int(input ("要用行李车么?给多少钱?"))
2 if rmb:
3     print ("可以早上车")
4 else:
5     print ("再会")
6 input ("好了,就到这里吧.再会!")

 1 count = 0
 2 while True:
 3     count += 1
 4 #如果count大于10就跳出循环
 5     if count >10:
 6         break
 7 #如果count等于5就回到循环开始处,既跳过5
 8     if count == 5:
 9         continue
10     print (count)

 1 '''
 2 程序规划
 3 生成签号对应的5条信息
 4 引入random模块
 5 欢迎用户
 6 执行一个循环
 7 while ture:
 8     询问用户是否要抽签,输入yorn
 9     if 要y
10         生成一个1~5的随机数给签号
11         判断是几号签
12         打印签号对应的内容
13         countiu
14     elif 否:
15         break
16     else:
17         提示输入错误,重新循环
18 感谢用户参与
19 提示按回车键退出
20 '''
21 #签号对应内容
22 tarot1 = "你现在的情况还是蛮不错的，在你看来只要坚持下去就是希望满满的节奏"
23 tarot2 = "别想到啥就做啥。还有如果你想学好，至少短期内勤奋点，少偷懒玩了。"
24 tarot3 = "在学习上更建议你还是专一点认真点化心思和时间下去，别总是走神到无关紧要的事情上"
25 tarot4 = "这份工作就是与你对冲，即使再好的机会到你手里也会变坑"
26 tarot5 = "如果你选择走这条路，选择这个工作，未来里至少两三个月的时间里你会是非常累并且要做非常多的付出"
27 #引入随机数模块
28 import random
29 tarot = 0
30 #程序开始
31 print ("欢迎您来到塔罗星座屋")
32 while True:
33     choos = input ("\n现在要开始抽牌么?Y开始,N结束\n")
34     if choos == "y" or choos=="Y":
35         tarot = random.randint(1,5)
36         if tarot ==1:
37             print (tarot1)
38         elif tarot ==2:
39             print (tarot2)
40         elif tarot == 3:
41             print (tarot3)
42         elif tarot ==4:
43             print (tarot4)
44         elif tarot ==5:
45             print (tarot5)
46     elif choos == "n" or choos=="N":
47         break
48     else:
49         print ("输入错误,请输入\"Y\"或\"N\"\n")
50         continue
51 print ("感谢您来到星座塔罗小屋,再会\n")
52 input ("按回车键退出")

 1 '''
 2 建立一个总计数器,初值为0
 3 建立一个统计正面的计数器
 4 建立一个统计反面的计数器
 5 while 总计数器 < 100时
 6     产生两个随机数
 7     如果 值为零
 8         记入硬币正面次数,计数器加1
 9         值不为零
10         记入硬币反面次数,计数器加1
11     总计数器加1
12 
13 显示总计投硬币多少次
14 正面多少次,反面多少次
15 '''
16 import random
17 
18 total = 0  #总数
19 fort = 0   #正面计数
20 back = 0　　#反面计数
21 
22 while total <100:
23     total += 1
24     face = random.randrange(2) #产生两个0和1随机数,模拟掷硬币的结果
25     if face == 0:
26         fort += 1
27     else:
28         back += 1
29 
30 print ("共掷硬币",total,"次")
31 print ("正面是",fort,"次")
32 print ("反面是",back,"次")    
33