save project

diy2.py

-username = "python"
-userpassword = "123456"
-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!")
-        break
-    if name!=username:
-        print("账号输入错误")
-        continue
-    if password!=userpassword:
-        print("密码输入错误")   
-print("欢迎来到贝尔编程!")
-    
-    
\ No newline at end of file
+a=["丰富"]
+c=list(a)   
+c.insert(1,"hgj")
+d="".join(c)
+print(d)  
\ No newline at end of file