save project

diy2.py

 i=3
-username = "python"
-userpassword = "123456"
+username = "q"
+userpassword = "1234"
 while True:
-    if i >0:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
+    if i>=0:
+        name=input("请输入用户名")
+        password=input("请输入密码")
         i-=1
-    if name == username and password == userpassword:
-        print("登录成功!")
+        if  name==username and password==userpassword:
+            print("登陆成功")
             break
         if name!=username:
-        print("用户名和密码错误!请重新输入")
-        print("还有"+str(i)+"次机会")
+            print("用户名错误")
+            print("你有"+str(i)+"次机会")                
             continue
-    if password !=username:    
-        print()
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+        if password!=userpassword:
+            print("密码错误")   
+            print("你还有"+str(i)+"次机会")
+    else:
+        print(已锁定)
+        exit()
+print(欢迎来到贝尔)       
+