Copy the last three lines of a text file in python?

Question

I\'m new to python and the way it handles variables and arrays of variables in lists is quite alien to me. I would normally read a text file into a vector and then copy the

Answer 1

This might be a little clearer if you do not know python syntax.

lst_lines = lines.split()

This will create a list containing all the lines in the text file.

Then for the last line you can do:

last = lst_lines[-1] secondLAst = lst_lines[-2] etc... list and string indexes can be reached from the end with the '-'.

or you can loop through them and print specific ones using:

start = start line, stop = where to end, step = what to increment by.

for i in range(start, stop-1, step): string = lst_lines[i]

then just write them to a file.