<caption><image_77>The image shows a man standing in front of a projector screen. He is wearing a white shirt and a dark tie. He has a beard and is looking off to the side with a serious expression on his face. Behind him, there is a painting hanging on the wall. The man appears to be giving a presentation or presentation.</caption> the while loop the while loop doesn't loop once for a pattern it runs a command each time you get to the top of the loop if that command succeeds here's the prototype syntax of the while loop it begins with a word while which is followed by the command line you want to execute to control the loop if the command succeeds you execute the commands listed between the keywords du and done if the command fails you skip to the first command underneath the word done in effect terminating the loop we want to use the while loop to control the entry of names to make this work we're gonna add some loop control mechanisms when the user completes the entry of a name we're gonna ask them would you like to enter another name if they say yes we want to keep looping if they say no we want to terminate the loop I'm going to use the variable answer to hold the loop control value as long as it is equal to a lowercase Y we're going to continue to loop when the user enters and I'm going to assign an end to answer and that's going to terminate the loop here's an
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