Why can't I call read() twice on an open file?

Question

For an exercise I\'m doing, I\'m trying to read the contents of a given file twice using the read() method. Strangely, when I call it the second time, it doesn\

Answer 1

read() consumes. So, you could reset the file, or seek to the start before re-reading. Or, if it suites your task, you can use read(n) to consume only n bytes.