E8.1 Write a program that carries out the following tasks: Open a file with the name hello.txt. Store the message "Hello, World!" in the file. Close the file.Open the same file again. Read the message into a string variable and print it. E8.2 Write a program that reads a text file containing floating-point numbers. Print the average of the numbers in the file. Prompt the user for the file name. Write a program that reads each line in a file, reverses its characters, and writes the resulting line to another file. Suppose the user specifies input.txt and output.tkt when prompted for the file names, and input.txt contains the lines: Mary had a little lamb Its fleece was white as snow And everywhere that Mary went The lamb was sure to go. After the program is finished, output.txt should contain