save project

diy2.py

-N="a"
-P = "q"
-while True:
-    n=input("请输入用户名:")
-    p=input("请输入密码:")
-    if n!=N:
-        print("用户不存在")
-    if p!=P:
-        print("密码错误")
-    if n==N and p==P:    
-        print("登录成功!")
-        break
-print("欢迎来到贝尔编程!")
+# N="a"
+# P = "q"
+# while True:
+#     n=input("请输入用户名:")
+#     p=input("请输入密码:")
+#     if n!=N:
+#         print("用户不存在")
+#     if p!=P:
+#         print("密码错误")
+#     if n==N and p==P:    
+#         print("登录成功!")
+#         break
+# print("欢迎来到贝尔编程!")
\ No newline at end of file
+import turtle
+pen=turtle.Pen()
+d=1
+for i in range (300):
+    pen.forward(d)
+    d=d+1
+    pen.right(91)
+pen.hideturtle()
+turtle.done()
\ No newline at end of file