save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
-while True:
-    name = input("请输入用户名:")
-    if  name!=username:
-        print("用户名错误")
-        continue
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        break 
-    else :  
-        print("密码错误请重新输入")
-print("欢迎来到贝尔编程!")
+name = input("请输入用户名:")
+while name!=username:
+    print("用户名错误")
+    name= input("请输入用户名:")
+password = input("请输入密码:")
+while password !=userpassword:
+    print("密码错误")
+    password= input("密码错误请重新输入")
+if name == username and password == userpassword:
+    print("登录成功!")    
+    print("欢迎来到贝尔编程!")
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