save project

diy.py

 username = "python"
 userpassword = "123456"
+i=3
 while True:
-    name = input("请输入用户名:")
-    #if name!=username:
-     #   print("账号错误，请重新输入")
-      #  continue
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        break
-    elif name==username and password!=userpassword:
-        print("密码输入错误，请重新输入")
+    if i>0:
+        name = input("请输入用户名:")
+        #if name!=username:
+        #   print("账号错误，请重新输入")
+        #  continue
+        password = input("请输入密码:")
+        i-=1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        elif name==username and password!=userpassword:
+            print("密码输入错误，请重新输入")
+        else:
+            print("账号密码错误，请重新输入")
+        #if password!=userpassword:
+        #   print("密码错误，请重新输入")
     else:
-        print("账号密码错误，请重新输入")
-    #if password!=userpassword:
-     #   print("密码错误，请重新输入")
+        print("使用次数用完，请带身份证我司解锁")
+        exit()
+        
     
 
 print("欢迎来到贝尔编程!")
\ No newline at end of file