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#!/usr/bin/env python3

"""Picnic game"""

import argparse

# --------------------------------------------------

def get_args():

"""Get command-line arguments"""

parser = argparse.ArgumentParser(

description='Picnic game',

formatter_class=argparse.ArgumentDefaultsHelpFormatter)

parser.add_argument('item',

metavar='str',

nargs='+',

help='Item(s) to bring')

parser.add_argument('-s',

'--sorted',

action='store_true',

help='Sort the items')

return parser.parse_args()

# --------------------------------------------------

def main():

"""Make a jazz noise here"""

args = get_args()

items = args.item

num = len(items)

if args.sorted:

items.sort()

bringing = ''

if num == 1:

bringing = items[0]

elif num == 2:

bringing = ' and '.join(items)

else:

items[-1] = 'and ' + items[-1]

bringing = ', '.join(items)

print('You are bringing {}.'.format(bringing))

# --------------------------------------------------

if __name__ == '__main__':

main()