save project

de.py

+i=3
+username=1234
+userpassword=1234
+while True:
+    if i>0:
+        name=input("输入账号")
+        password=input("输入密码")
+        if username == name and userpassword == password:
+            print("登录成功")
+            break
+        if username != name:
+            print("账号错误") 
+            continue
+        if userpassword != password :
+            print("密码错误")
+        i=i-1
+    else:
+                print("次数用完")
+
+print("欢迎来到贝尔乐园")
\ No newline at end of file