save project

diy001.py

+i=3
 username="pythen"
 username="pythen"
 userpassword="123456"
 userpassword="123456"
-name=input("请输入用户名：")
-password=input("请输入密码：")
-if name==username and password==userpassword:
-    print("到陆成功！")
+while True:
+    if i>0:
+        name=input("请输入用户名：")
+        password=input("请输入密码：")
\ No newline at end of file
+        i-=1
+        if name==username and password==userpassword:
+            print("到陆成功！")
+            break
+        if name != username:
+            print("用户名不存在，请重新输入！")
+            print("您还有"+str(i)+"次登陆机会")
+            continue
+        if password != userpassword:
+            print("密码错误，请重新输入！")
+            print("您还有"+str(i)+"次登陆机会")
+    else:
+        print("你的账户被锁定，请一个小时后再来！")
+        exit()
+print("欢迎来到贝尔编程！")
+