Pythonic way to ignore for loop control variable

Question

A Python program I\'m writing is to read a set number of lines from the top of a file, and the program needs to preserve this header for future use. Currently, I\'m doing s

Answer 1

May be this:

header_len = 4
header = open("file.txt").readlines()[:header_len]

But, it will be troublesome for long files.