#!/usr/bin/env python3

#

# A portable replacement for 'seq'

#

# Usage:

#   seq STOP              [1, STOP] stepping by 1

#   seq START STOP        [START, STOP] stepping by 1

#   seq START STEP STOP   [START, STOP] stepping by STEP

import os

import sys

try:

    import msvcrt

    msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)

    msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)

    msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)

except ImportError:

    pass

start = 1

if len(sys.argv) > 2:

    start = int(sys.argv[1])

step = 1

if len(sys.argv) > 3:

    step = int(sys.argv[2])

stop = int(sys.argv[-1]) + 1

for i in range(start, stop, step):

    print(i)