save project

diy2.py

+i=3
+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("输入的用户名不正确，请重新输入")
+        if password!=userpassword:
+            print("输入的密码不正确，请重新输入")
+    else:
+        print("你的账户已被锁定，请带身份证到我司解锁")
+print("欢迎来到贝尔编程!")
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