save project

diy.py

-i=3
-username="python"
-userpassward="123456"
-while True:
-    if i>0:
-        name=input("用户名")
-        passward=input("用户密码")
-        if name==username and password==userpassword:
-            print("正确")
-            break()
-        if name!=username:
-            print("名字错了")
-        if passward!=userpassward:
-            print("密码错了")
-    else:
-        print("你没机会了")
-        exit()
-print("欢迎来到贝尔编程")
\ No newline at end of file
+import turtle
+pen=turtle.Pen()
+a=1
+for i in range(300):
+    pen.forward(a)
+    a+=1
+    pen.right(91)
+pen.hideturtle()
+turtle.done()
+