What would be the result of the following code? ages = {'aaron' : 6, 'kelly' : 3, 'abigail' : 1 } value = ages['brianna']

These tools give presenters more freedom to move about the room and interact with their audience. laptop computer laser pointer lcd projector remote control

What is transmission control protocol/internet protocol (tcp/ip)? software that prevents direct communication between a sending and receiving computer and is used to monitor packets for security reasons a standard that specifies the format of data as well as the rules to be followed during transmission a simple network protocol that allows the transfer of files between two computers on the internet a standard internet protocol that provides the technical foundation for the public internet as well as for large numbers of private networks

Write a program that asks the user to enter the name of an input file. if the file does not exist, the program should prompt the user to enter the file name again. if the user types quit in any uppercase/lowercase combinations, then the program should exit without any further output.