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| 1 | +#!/usr/bin/env python3 |
| 2 | +"""Ransom note""" |
| 3 | + |
| 4 | +import argparse |
| 5 | +import os |
| 6 | +import random |
| 7 | + |
| 8 | + |
| 9 | +# -------------------------------------------------- |
| 10 | +def get_args(): |
| 11 | + """Get command-line arguments""" |
| 12 | + |
| 13 | + parser = argparse.ArgumentParser( |
| 14 | + description='Ransom Note', |
| 15 | + formatter_class=argparse.ArgumentDefaultsHelpFormatter) |
| 16 | + |
| 17 | + parser.add_argument('text', metavar='text', help='Input text or file') |
| 18 | + |
| 19 | + parser.add_argument('-s', |
| 20 | + '--seed', |
| 21 | + help='Random seed', |
| 22 | + metavar='int', |
| 23 | + type=int, |
| 24 | + default=None) |
| 25 | + |
| 26 | + args = parser.parse_args() |
| 27 | + |
| 28 | + if os.path.isfile(args.text): |
| 29 | + args.text = open(args.text).read().rstrip() |
| 30 | + |
| 31 | + return args |
| 32 | + |
| 33 | + |
| 34 | +# -------------------------------------------------- |
| 35 | +def main(): |
| 36 | + """Make a jazz noise here""" |
| 37 | + |
| 38 | + args = get_args() |
| 39 | + random.seed(args.seed) |
| 40 | + |
| 41 | + # Method 1: Iterate each character, add to list |
| 42 | + ransom = [] |
| 43 | + for char in args.text: |
| 44 | + ransom.append(choose(char)) |
| 45 | + |
| 46 | + print(''.join(ransom)) |
| 47 | + |
| 48 | + |
| 49 | +# -------------------------------------------------- |
| 50 | +def choose(char): |
| 51 | + """Randomly choose an upper or lowercase letter to return""" |
| 52 | + |
| 53 | + return char.upper() if random.choice([0, 1]) else char.lower() |
| 54 | + |
| 55 | + |
| 56 | +# -------------------------------------------------- |
| 57 | +def test_choose(): |
| 58 | + """Test choose""" |
| 59 | + |
| 60 | + random.seed(1) |
| 61 | + assert choose('a') == 'a' |
| 62 | + assert choose('b') == 'b' |
| 63 | + assert choose('c') == 'C' |
| 64 | + assert choose('d') == 'd' |
| 65 | + random.seed(None) |
| 66 | + |
| 67 | + |
| 68 | +# -------------------------------------------------- |
| 69 | +if __name__ == '__main__': |
| 70 | + main() |
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