save project

diy2.py

+username = "python"
+userpassword = "123456"
+i=3
+while i>0:
+    i-=1    
+    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
+    if name != username:
+        print("用户名错误!请重新输入")
+        print("你还有"+str(i)+"次登录机会!你可以充值获得登录机会!")
+        continue
+    if password != userpassword:  
+        print("密码输入错误!请重新输入!")
+        print("你还有"+str(i)+"次登录机会!你可以充值获得登录机会!")
+        
+else:
+        print("什么!你居然不知道密码!请去我司官网充值会员")
+        exit()
+print("欢迎来到贝尔编程!")
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