save project

diy2.py

-username = "python"
-userpassword = "123456"
+username="python"
+userpassword="123456"
+n=1
 while True:
 while True:
-    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!")
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
+    name=input("你的用户名")
+    password=input("你的密码")
+    if name==username and password==userpassword:
+        print("登入成功")
+        print("欢迎来到贝尔编程!")
+        break
\ No newline at end of file
+    elif n==3:
+        print("请待会登入")
+        break
+    elif name!=username:
+        print("用户名出错，请重新登入")
+        n=n+1
+    elif password!=userpassword:
+        print("密码出错，请重新登入")
+        n=n+1      
\ No newline at end of file