Modify the scripts of Projects 1 and 2 to encrypt and decrypt entire files of text. This is for college level through cengage mindtap. An example of the program interface is shown below:

Enter the input file name: encrypted. txt

Enter the output file name: a

Enter the distance value: 3

Which tab should you open to find the option for adding a header?

Use a physical stopwatch to record the length of time it takes to run the program. calculate the difference obtained by calls to the method system.currenttimemillis() just before the start of the algorithm and just after the end of the algorithm. calculate the difference obtained by calls to the method system.currenttimemillis() at the start of the program and at the end of the program so that the elapsed time includes the display of the result. use the value returned by the method system.currenttimemillis() just after the end of the algorithm as the elapsed time.

What is the most important for you to choose before you build a network?