File Handling 6: Display from nth to mth line in a file

# Display from nth line to mth line of a file
# Use command line arguments

import sys

fname = sys.argv[1]
fs = open(fname, "r")

stline = int(input("Enter starting line : "))
endline = int(input("Enter ending line : "))

L = fs.readlines()

print("File:", fs.name)
print("Lines from", stline, "to", endline)
for Line in L[(stline-1):endline]:
print(Line)

fs.close()