Can you please write these program in FORTRAN (must) language and explain it?

[8] 1. Create and save these four text files containing the data as exactly as follows: InputFile_1.txt Input File_2.txt File Edit Format View Help file_1.- Notepad File Edit Format View Help 6 a b c d e f 1-1 2 3 -4 5 -6 Input File_3.txt Input File_4.txt File Edit Format View Help 6 file_1.TXT - Notepad File Edit Format View Help -1.0 2.5 3.1 -1.0 2.5 3.1 4.77 5.0 16.2 4.77 5.0 16.2 Write a program to read these data and store them in suitable one dimensional arrays where the length of the array is the first value in the file. Then print all the data in a single output file as exactly as they were. [12] 2. Write a code to read your full name from a file and then print it! (i) without spaces, (ii) without the vowels, (iii) in capital (upper case) letters, (iv) in reverse order. 18 3. Write a code using loop to create 20 text files named File_N.txt' containing the line "This is file number N'where N = 01, 02, ..., 20. [8] 1. Create and save these four text files containing the data as exactly as follows: InputFile_1.txt Input File_2.txt File Edit Format View Help file_1.- Notepad File Edit Format View Help 6 a b c d e f 1-1 2 3 -4 5 -6 Input File_3.txt Input File_4.txt File Edit Format View Help 6 file_1.TXT - Notepad File Edit Format View Help -1.0 2.5 3.1 -1.0 2.5 3.1 4.77 5.0 16.2 4.77 5.0 16.2 Write a program to read these data and store them in suitable one dimensional arrays where the length of the array is the first value in the file. Then print all the data in a single output file as exactly as they were. [12] 2. Write a code to read your full name from a file and then print it! (i) without spaces, (ii) without the vowels, (iii) in capital (upper case) letters, (iv) in reverse order. 18 3. Write a code using loop to create 20 text files named File_N.txt' containing the line "This is file number N'where N = 01, 02, ..., 20