save project

dd.py

+import turtle
+pen=turtle.Pen()
+t=1
+for i in range(300):
+    pen.forward(t)
+    pen.right(91)
+    t+=1
+pen.hideturtle()
+turtle.done()
\ No newline at end of file

s.py

-username = "python"
-userpassword = "123456"
-i=3
-while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    i=i-1
-    if i>0:
-        if name == username and password == userpassword:
-            print("登录成功!")
-            break
-
-        if username!=name:   
-             print("用户名错误!请重新输入")
-            continue 
-        elif userpassword!=password:
-            print("密码错误!请重新输入") 
-    else:
-        print("登录次数已用完")
-        exit()