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#!/usr/bin/env python3
# Challenge 072
#
# TASK #2 > Lines Range
# Submitted by: Mohammad S Anwar
# You are given a text file name $file and range $A - $B where $A <= $B.
#
# Write a script to display lines range $A and $B in the given file.
#
# Example
# Input:
# $ cat input.txt
# L1
# L2
# L3
# L4
# ...
# ...
# ...
# ...
# L100
# $A = 4 and $B = 12
# Output:
# L4
# L5
# L6
# L7
# L8
# L9
# L10
# L11
# L12
import sys
FILE, A, B = sys.argv[1], int(sys.argv[2]), int(sys.argv[3])
f = open(sys.argv[1], "r")
lines = [x.rstrip("\n") for x in f.readlines()]
print("\n".join(lines[A-1:B]))
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