the "Alert function"

 
Hello, it is a simple question but how to make to delete what you have wrote in the previous call of the Alert function in order to see just the update information, sincerely.
 
restart the terminal
 
emmett_brown:
Hello, it is a simple question but how to make to delete what you have wrote in the previous call of the Alert function in order to see just the update information, sincerely.
Consider using Comment() instead.
Reason: