save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 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!")
-        break
-    if username!=name:
-        print("用户名输入错误")
-        continue
-    if passward!=userpassward:
-        print("密码输入错误")
+i=3
+while True: 
+    if i>0 :
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i=i-1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if username!=name:
+            print("用户名输入错误")
+            continue
+        if passward!=userpassward:
+            print("密码输入错误")
+   else:
+       i==0
+       print("账户已锁，请带身份证")
+       exit()
 print("欢迎来到贝尔编程")
 print("欢迎来到贝尔编程")
       
       
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