save project

diy2.py

+i=5
+username = "python"
+
+userpassword = "123456"
+while True:
+    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("你完了，你只有"+str(i)+"机会了！")
+            continue
+        if name != userpassword: 
+            print("密码输入有误!请重新输入")  
+            print("你完了，你只有"+str(i)+"机会了！")
+
+
+
+            
+    else:
+        print("你完了，你完了，查水表的要来了")
+        exit()
+print("欢迎来到贝尔编程!")
\ No newline at end of file