Chapter 7, Problem 9PS

What is a file’s read position? Initially, where is the read position when an input file is opened?

Please help Using python Interpreter In this exercise you will create a tiny interpreter for simple arithmetic operations. Your program will read it input from a file containing one command per line and it will write its output to a second file. Specifications 1. Your program must ask the user for the names of both files. If there are problems with either file (inaccessible, unwritable, etc.) your program should complain and request file names again. 2. Your program should append “.txt” to a file name if it does not already have a .txt suffix. 3. The commands will look like this: operation value1 value2. See the Commands.txt file for details. If the input file does not exist or the output file is not writable the program must complain and ask the user for alternative file name(s). 4. The operations are add, sub, multiply, divide, and power. The commands are not case- sensitive. The values must be integers. 5. An empty line should be silently ignored. 6. Your program must read the…

Write a sequence of statements to create a file with fileName's name and a line saying "This Is File:" followed by the file's name. Check the file's buffer and system resources consumed by these statements. (Ignore exceptions.)