save project

diy1.py

 username = "python"    
 username = "python"    
 userpassword = "123456"    
 userpassword = "123456"    
+while True:
+    n = input("账号：")
+    p = input("密码：")
 
 
-n = input("账号：")
-p = input("密码：")
+    if n == username and p == userpassword:
+        print("登陆成功！")
+        break
+    else:
+        if username != n:
+            print("账号错误！")
+        else:
+            print("密码错误！")
+        print("登陆失败！")
 
 
-if n == username and p == userpassword:
-    print("登陆成功！")
-else:
-    print("账号密码错误！登陆失败！")
+
+
+   
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s.py

+import turtle
+screen=turtle.Screen()
+screen.bgcolor("light blue")
+len=screen.textinput("爱心大小","你想要多大的爱心呀：")
+loveside=int(len)
+pen1=turtle.Pen()
+pen1.hideturtle()
+pen1.fillcolor("red")
+pen1.begin_fill()
+pen1.pensize(5)
+pen1.pencolor("red")
+pen1.left(45)
+pen1.forward(2*loveside)
+pen1.circle(loveside,180)
+pen1.right(90)
+pen1.circle(loveside,180)
+pen1.forward(2*loveside)
+pen1.end_fill()
+pen1.pencolor("black")
+pen1.penup()
+pen1.goto(80,-50)
+pen1.write("hi,诺依~\n用python写电子贺卡真是太有趣了~\n我也喜欢python~\n————悟空",font=("黑体",11,"normal"))
+pen1.hideturtle()
+turtle.done()
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