save project

sfs.py

 username = "python"
 userpassword = "123456"
+i=3
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username:
-        if password ==userpassword:
-             print("登录成功!")
-        else:
-            print("蜜马错五!")
-    if name != username:
-        print(" 用户名错误!")
+    if i>=1:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i=i-1
+        if name == username:
+            if password ==userpassword:
+                print("登录成功!")
+            else:
+                print("蜜马错五!")
+    
+        if name != username:
+                print(" 用户名错误!")
+    else:
+        print("速来司")
+        exit()
+print("欢迎来到")
\ No newline at end of file