print('This line will be printed.')

exit() # exit script

# iterable

itr = iter((1,2,3))

next(itr) # 1

next(itr) # 2

next(itr) # 3

# args passed to script

import sys

sys.argv # ['script.py', 'arg1', 'arg2']

import sys, getopt

getopt.getopt(args, shortopts='', ?longopts=['',..])

# short | long

'o:' | 'o=' # opt with required value

'o' | 'opt' # boolean opt

opts, args = getopt.getopt(sys.argv[1:], 'hi:o:', ['help','input=','output='])

([('--help', ''), ('--input', '2'), ('-o', '3')], ['foo', 'bar']) # py t.py --help --input 2 -o 3 foo bar

# python version

import sys

sys.version # string: '3.8.10 ...'

sys.version_info # array: (major=3, minor=8, micro=10, ...)

# change locale

import locale

locale.setlocale(locale.LC_ALL, 'Persian' | 'fa_FA.UTF-8')

locale.setlocale(locale.LC_ALL, '')