save project

diy2.py

-username = "python"
+username = "1"
 userpassword = "123456"
 userpassword = "123456"
+i=3
 while True:
 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")
-print("欢迎来到贝尔编程!")
+    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!") 
\ No newline at end of file
+            
+            break  
+        if name != username:
+            print("用户错误")
+            print("你还有" + str(i) + "机会")
+            continue
+        if userpassword != password:
+            print("密码错误")
+            print("你还有"+str(i)+"机会")
+    else:
+            print("次数用完，锁定")
+            exit()
+print("欢迎来到贝尔编程!") 
\ No newline at end of file