save project

diy2.py

+i=3
 username = "python"
-
 userpassword = "123456"
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        print("用户名和密码错误!请重新输入")
-if name!=username:  
-      print("用户名错误!请从新输入"
-if name!=username:
-      print("密码错误！请从新输入")
+      if i>0:
+            name = input("请输入用户名:")
+            password = input("请输入密码:")
+            if name == username and password == userpassword:
+                  print("登录成功!")
+                  break
+            if name!=username:  
+                  print("用户名错误!请从新输入")
+                  print("温馨提示：您还有"+sti(i)+"此登陆机会")
+                  continue
+            if name!=username:
+                  print("密码错误！请从新输入")
+
+            else:
+                  print("你的账号已被锁定，请带身份证来我公司解锁")
+                  exit()
 print("欢迎来到贝尔编程!")