save project

diy1.py

-username = "python"
-userpassword = "123456"
+i=3
+username = "q"
+userpassword = "12"
 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!")
-        break
-    elif name != username:
-        print("用户名不存在,请重新输入!")
-    
+    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!")
+            break
+        if name != username:
+            print("用户名不存在,请重新输入!")
+            print("你还有"+str(i)+"次机会")
+            continue
+        if password!=userpassword:
+            print("密码输入有误,请重新输入!")
+            print("你还有"+str(i)+"次机会")
     else:
     else:
-        print("密码输入有误,请重新输入!")   
+        print("你的账号已被锁定,请来到我司解锁")
+        exit()        
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file