new

Author: eMUQI

old/cases/book_case01_字符串.py

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+name="nik colt"
+
+print(name)                         #print自带换行
+print(name.title())
+print(name.upper()+"\n")            # \n 换行 
+print("Hello,"+name.title()+"!\n")  #拼接字符串
+
+print("a\tb\tc\td\t")               # \t 制表
+print("a\tb\tc\td\t\n")
+print("a\tb\tc\td\t")
+print("a\tb\tc\td\t")
+
+
+#rstrip() 清除字符串末尾的空白
+#lstrip() 清除字符串开头的空白
+#strip()  清除字符串开头和末尾的空白

old/cases/book_case02_列表.py

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+bicycles = ['terk','cannondale','redine','specialized']    #与C语言类似
+print(bicycles)
+print(bicycles[0].title())
+
+print("bicycles[-1]:")
+print(bicycles[-1].title())                   #当索引为-1时即访问最后一个元素
+print()
+
+print("修改元素后：")
+bicycles[2] = 'redline'                      #修改元素
+print(bicycles)
+print()
+
+print("bicycles.append('just_a_bike'):")
+bicycles.append('just_a_bike')               #在列表末尾添加元素
+print(bicycles)
+print()
+
+print("insert:")
+bicycles.insert(0,'other_bike')              #在列表中插入元素(在n处添加空间，并将值储存在该位置)
+print(bicycles)
+print()
+
+print("del:")
+del bicycles[0]                              #删除指定索引元素(后面元素自动前移)
+print(bicycles)
+print()
+
+print("pop:")
+temp=bicycles.pop()                          #默认弹出最后一个元素，可加参数弹出指定元素
+print(bicycles)
+print(temp)
+print()
+
+print("remove:")                             #根据元素的值删除指定元素
+bicycles.remove("redline")
+print(bicycles)

old/cases/video_case01_星期判断.py

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+num=int(input("请输入一个数字（1～7）："))
+
+if num==1:
+    print("星期一")
+elif num==2:
+    print("星期二")
+elif num==3:
+    print("星期三")
+elif num==4:
+    print("星期四")
+elif num==5:
+    print("星期五")
+elif num==6:
+    print("星期六")
+elif num==7:
+    print("星期日")
+else:
+    print("非法输入")

old/cases/video_case02_九九乘法表.py

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+print("九九乘法表")
+i=1
+j=1
+
+while i<=9:
+    while j<=i:
+        print("%d*%d=%d\t"%(j,i,i*j),end="")
+        j+=1
+    print()
+    j=1
+    i+=1

old/cases/video_case03_名片管理.py

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+#1.打印功能提示
+
+print(35*"=")
+print("      名字管理系统")
+print("1.添加一个新的名字")
+print("2.删除一个名字")
+print("3.修改一个名字")
+print("4.查询一个名字")
+print("5.退出")
+print(35*"=")
+
+#2.获取用户输入
+names=[]
+
+#3.根据用户的选择，执行相应功能
+while(True):
+    num=int(input("请输入功能序号："))
+    if num==1:
+        new_names=str(input("请输入名字："))
+        if new_names in names:
+            print("该名字已存在！")
+        else:
+            names.append(new_names)
+        print(names)
+    elif num==2:
+        delete_name=str(input("请输入要删除的名字："))
+        if delete_name in names:
+            names.remove(delete_name)
+        else:
+            print("输入的姓名不存在")
+    elif num==3:
+        change_name=str(input("请输入要更改的名字："))
+        if change_name in names:
+            n_name=str(input("请输入新名字："))
+            if(n_name in names):
+                print("该名字已存在！")
+            else:
+                names[names.index(change_name)]=n_name
+        else:
+            print("该名字不存在！")
+    elif num==4:
+        find_name=str(input("请输入要查询的名字："))
+        if find_name in names:
+            print("存在")
+        else:
+            print("不存在")
+    elif num==5:
+        break
+    else:
+        print("输入有误！")

old/cases/video_case04_名片管理plus.py

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+cards = []
+while True:
+    print(35*"=")
+    print("名片管理系统")
+    print("1.添加一个新的名片")
+    print("2.删除一个名片")
+    print("3.修改一个名片")
+    print("4.查询一个名片")
+    print("5.显示所有名片")
+    print("6.退出")
+    print(35*'=')
+
+    num=int(input("请输入功能序号:"))
+
+    if num == 1:
+        new_name =input("请输入姓名：")
+        new_email = input("请输入邮箱：")
+        new_tel = input("请输入电话号码：")
+        new_info = {"name":new_name,"email":new_email,"tel":new_tel}
+        cards.append(new_info)
+
+        print(cards)#for test
+    elif num==2:
+        del_name =input("请输入姓名：")
+        for temp in cards:
+            if temp["name"]==del_name:
+                break
+
+
+    elif num==3:
+        pass
+    elif num==4:
+        find_name=input("请输入姓名：")
+        flag=0
+        for temp in cards:
+            if find_name == temp["name"]:
+                print("姓名\t邮箱\t电话号码\t")
+                print("%s\t%s\t%s\t"%(temp["name"],temp["email"],temp["tel"]))
+                flag=1
+        if flag==0:
+            print("未找到%s"%find_name)
+    elif num==5:
+        print("姓名\t邮箱\t电话号码\t")
+        for temp in cards:
+            print("%s\t%s\t%s\t"%(temp["name"],temp["email"],temp["tel"]))
+    elif num==6:
+        break
+    else:
+        print("输入有误请重新输入！")

old/cases/video_case05_烤地瓜.py

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+class SweetPotato:
+
+    def __init__(self):
+        
+        self.cookedString = "生"
+        self.cookedLevel = 0
+    
+    def __str__(self):
+        return "地瓜状态:%s(%d)"%(self.cookedString,self.cookedLevel)
+
+    def cook(self,cooktime):
+        self.cookedLevel += cooktime
+
+        if self.cookedLevel>=0 and self.cookedLevel<3:
+            self.cookedString = "生的"
+        elif self.cookedLevel>=3 and self.cookedLevel<5:
+            self.cookedString= "半生不熟"
+        elif self.cookedLevel>=5 and self.cookedLevel<8:
+            self.cookedString = "熟了"
+        elif self.cookedLevel>=8:
+            self.cookedString = "烤糊了"
+            
+
+digua = SweetPotato()
+digua.cook(1)
+print(digua)
+digua.cook(1)
+print(digua)
+digua.cook(1)
+print(digua)
+digua.cook(1)
+print(digua)
+digua.cook(1)
+print(digua)
+digua.cook(1)
+print(digua)
+digua.cook(1)
+print(digua)
+digua.cook(1)
+print(digua)
+digua.cook(1)
+print(digua)
+digua.cook(1)
+print(digua)
+            

old/cases/video_case06_存放家具.py

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+class Home:
+    def __init__(self,new_area,new_info,new_addr):
+        self.area = new_area
+        self.info = new_info
+        self.addr = new_addr
+        self.left_area = new_area
+    def __str__(self):
+        return "房子的面积是：%d，可用面积是%d，户型是：%s，地址是%s"%(self.area,self.left_area,self.info,self.addr)
+
+    def add_item(self,item):
+        self.left_area -= item.area
+class Bed:
+    def __init__(self,new_name,new_area):
+        self.name = new_name
+        self.area = new_area
+    
+    def __str__(self):
+        return "%s占用面积%d"%(self.name,self.area)
+
+
+fangzi = Home(180,"n室n厅",'xx市 xx xx xxx')
+print(fangzi)
+
+bed1 = Bed("大床",4)
+print(bed1)
+
+fangzi.add_item(bed1)
+print(fangzi)

old/cases/video_case07_4s店.py

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+class CarStore(object):
+    def __init__(self):
+        self.factory = Factory()
+
+    def order(self,car_type):
+        k = self.factory
+        f = k.select_car_by_type(car_type)
+        return f
+
+class Factory(object):
+    def select_car_by_type(self,car_type):
+        if car_type == "suonata":
+            return Suonata()
+        elif car_type == "mingtu":
+            return Mingtu()
+        elif car_type == "ix25":
+            return Ix35()
+
+class Car(object):
+    def move(self):
+        print("moving...")
+    def music(self):
+        print("lalala...")
+    def stop(self):
+        print("stop")
+
+class Suonata(Car):
+    pass
+
+class Mingtu(Car):
+    pass
+
+class Ix35(Car):
+    pass
+
+
+car_store = CarStore()
+car = car_store.order("ix25")
+car.move()
+car.music()
+car.stop()
+

old/python-01_基础/01-first.py

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+print("hi")

old/python-01_基础/02-注释.py

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+print("hello")
+
+#这里是单行注释
+
+
+
+'''
+print("hello")
+print("hello")
+print("hello")
+这里是多行注释
+'''
+
+"""
+
+"""

old/python-01_基础/03-变量.py

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+score = 100
+high = 180
+
+applePrice =3.5
+weight = 7.5
+
+money = applePrice*weight
+
+print(money)
+
+message = "i do not know"
+print(message+"\n")
+
+money = money+10
+print(money)
+
+
+

old/python-01_基础/04-input.py

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+high=input("请输入你的身高：")
+print("身高为："+high)
+
+#在python2中使用raw_input

old/python-01_基础/05-print.py

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+age = 18
+print("age=%d"%age)
+
+name="傻子"
+print("名字是：%s"%name)
+
+print("age=%d,name=%s"%(age,name))
+
+

old/python-01_基础/06-if判断和类型转换.py

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+
+print("请输入年龄：")
+age_s=input() #input()输入的值默认为字符串类型
+age=int(age_s) #类型转换
+               #使用 str(*) 转换为字符串 
+
+#age=int(input())
+
+if age>=18:         #冒号不可少！
+    print("?")      #必须缩进 
+    if(int(input())>0):
+        print("go go go!")
+    else:
+        print("bye!")
+#elif [条件]：
+else:               #冒号不可少！
+    print("!")      #必须缩进
+
+print("\n\n例子：车票")
+
+ticket =1     #1有0无
+knifeLength=8 #cm
+
+if ticket == 1:
+    print("检测到车票，开始安检...")
+    if(knifeLength<=10):
+        print("通过安检，祝您乘坐愉快！")
+    else:
+        print("请在原地等待工作人员")
+else:
+    print("车票无效")
+

old/python-01_基础/07-关键字.py

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+import keyword
+print(keyword.kwlist)