auto save

1.py

-import turtle
-a=turtle.Pen()
-a.color("red")
-a.begin_fill()
-for i in range(5):
-    a.forward(200)
-    a.right(144)
-a.end_fill()
-a.hideturtle()
+a={}
+a[1]="ab"
+a[False]=10
+a[0]=20
+a["ab"]=30
+a[(2,3)]=40
+a.update({3:5,7:9})
+print(a.get('10'))
\ No newline at end of file
-turtle.done()
\ No newline at end of file

12.py

+import turtle
+turtle.setup(0.999,0.999,0,0)
+turtle.bgcolor("light blue")
+turtle.pencolor("red")
+turtle.fillcolor("red")
+turtle.begin_fill()
+turtle.left(45)
+turtle.forward(200)
+turtle.circle(100,180)
+turtle.right(90)
+turtle.circle(100,180)
+turtle.forward(200)
+turtle.end_fill()
+turtle.penup()
+turtle.goto(100,-100)
+turtle.write("中华人民共和国\n中华人民共和国",font=("黑体",50,'bold'))
+turtle.hideturtle()
+turtle.done()
\ No newline at end of file

3.py

+a=[]
+print(id(a))
+a.append(1)
+print(id(a))
+a.insert(100,"ab")
+print(id(a))
+a.extend([1,2,3])
+print(id(a))
+a.pop(-1)
+print(id(a))
+a.remove(10)
+print(a)
\ No newline at end of file

my_app.py

 import tkinter
 import tkinter
 import json
 import json
-with open("user.txt", "r", encoding="utf-8") as f:
-    info = f.read()
-    users = json.loads(info)
-
+from tkinter import messagebox
+with open('user.txt','r',encoding='utf-8') as f:
+    a=f.read()
+    b=json.loads(a)
 def login_to_reg():    # 登录界面转注册界面
 def login_to_reg():    # 登录界面转注册界面
     app_login.root.destroy()
     app_login.root.destroy()
     global app_reg
     global app_reg
-    app_reg = My_register()
+    app_reg=My_register()
     app_reg.show()
     app_reg.show()
-
 def reg_to_login():   # 注册界面转登录界面
 def reg_to_login():   # 注册界面转登录界面
     app_reg.root.destroy()
     app_reg.root.destroy()
     global app_login
     global app_login
-    app_login = My_login()
+    app_login=My_login()
     app_login.show()
     app_login.show()
-
 def register():     # 注册验证
 def register():     # 注册验证
-    name,password1,password2 = app_reg.get_input()
-    if name =="" or password2 == "" or password1=="":
-        messagebox.showwarning("警告", "请填写完整的注册资料")
-    elif name in users:
-        messagebox.showwarning("错误", "用户名已经存在!")
-    elif password1 != password2:
-        messagebox.showwarning("错误", "两次密码不一致!")
+    name,password1,password2=app_reg.get_input()
+    if name=='' or password1=='' or password2=='':
+        messagebox.showwarning("警告","不能为空！")
+    elif password2!=password1:
+        messagebox.showwarning("警告","密码不一致！")
+    elif name in b:
+        messagebox.showwarning("警告","用户名重复！")
     else:
     else:
-        users[name] = password1
-        content = json.dumps(users)
-        with open("user.txt", "w", encoding="utf-8") as file:    # "w"每次写入都覆盖原来的内容
-            file.write(content)
-        # 注册成功，跳往登陆界面
-        messagebox.showinfo("成功", "注册成功")
-        reg_to_login()
-
+        b[name]=password1
+        messagebox.showinfo("注册","成功注册!")
+        with open('user.txt','w',encoding='utf-8') as f:
+            f.write(json.dumps(b))
 def login():    # 登录验证
 def login():    # 登录验证
     pass     
     pass     
 
 

user.txt

-{"admin": "123456", "fd": "s"}
+{"a": "1", "abc": "ak", "ak": "jj", "kk": "jj"}
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