auto save

diy1.py

-username = "python"    # 保存在服务器数据库中的用户账号（正确的账号）
-userpassword = "123456"    # 保存在服务器数据库中的用户密码（正确的密码）
-
+username = 'python'    # 保存在服务器数据库中的用户账号（正确的账号）
+userpassword = '123456'    # 保存在服务器数据库中的用户密码（正确的密码）
 # 请用input()实现用户输入账号、密码的功能
 # 请用input()实现用户输入账号、密码的功能
-
-
-
-# 如果用户输入的账号、密码正确，提示登陆成功
+while True:    
+    name = input("请输入用户账号")
+    password = input("请输入密码")
+# 如果用户输入的账号、密码正确，提示登陆成功
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+    if name == username and password== userpassword:
+       print("登陆成功")
+       break
+    print("登陆失败")
+print("欢迎来到贝尔编程")
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star.py

+import turtle
+pen = turtle.Pen()
+for i in range(5):
+    pen.fd(200)
+    pen.left(144)
+turtle.done()

yuan1.py

+import turtle
+pen = turtle.Pen()
+pen.pencolor("red")
+pen.pensize(5)
+pen.penup()
+pen.goto(0,-100)
+pen.pendown()
+pen.circle(100)
+pen.left(90)
+pen.forward(200)
+pen.penup()
+pen.goto(-100,0)
+pen.right(90)
+pen.pendown()
+pen.forward(200)
+pen.hideturtle()
+turtle.done()
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yuan2.py

+import turtle
+pen = turtle.Pen()
+pen.penup()
+pen.goto(-100,-100)
+pen.pendown()
+for i in range(4):
+    pen.forward(200)
+    pen.left(90)
+pen.penup()
+pen.goto(0,-50)
+pen.pendown()
+pen.fillcolor("blue")
+pen.begin_fill()
+pen.circle(50)
+pen.end_fill()
+pen.hideturtle()
+turtle.done()

yuan3.py

+import turtle
+pen = turtle.Pen()
+pen.penup()
+pen.goto(-100,-100)
+pen.pendown()
+for i in range(4):
+    pen.fd(200)
+    pen.left(90)
+pen.penup()
+pen.goto(-60,0)
+pen.down()
+pen.dot(20,"red")
+pen.penup()
+pen.goto(0,0)
+pen.down()
+pen.dot(20,"red")
+pen.penup()
+pen.goto(60,0)
+pen.down()
+pen.dot(20,"red")
+pen.hideturtle()
+turtle.done()
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yuan4.py

+import turtle
+pen = turtle.Pen()
+pen.pensize(10)
+pen.fillcolor("blue")
+pen.begin_fill()
+pen.penup()
+pen.goto(0,0)
+pen.pendown()
+pen.setheading(0)
+pen.circle(50)
+pen.end_fill()
+pen.hideturtle()
+pen.penup()
+pen.goto(0,0)
+pen.pendown()
+pen.fd(90)
+pen.left(120)
+pen.fd(180)
+pen.home()
+pen.left(180)
+pen.fd(90)
+pen.right(120)
+pen.fd(180)
+
+turtle.done()

zfx.py

+import turtle
+pen = turtle.Pen()
+pen.fillcolor("red")
+pen.begin_fill()
+pen.fd(180)
+pen.left(90)
+pen.fd(180)
+pen.home()
+pen.end_fill()
+pen.fillcolor("yellow")
+pen.begin_fill()
+pen.left(90)
+pen.fd(180)
+pen.right(90)
+pen.fd(180)
+pen.end_fill()
+pen.hideturtle()
+turtle.done()
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