Spell out a word (or string) in the Nato Alphabet, in an output format suitable for piping to the MacOS "say" command

nato.py

import sys

# from https://www.worldometers.info/languages/nato-phonetic-alphabet/
TABLE = """
A	Alfa/Alpha	● ▬	AL FAH
B	Bravo	▬ ● ● ●	BRAH VOH
C	Charlie	▬ ● ▬ ●	CHAR LEE
D	Delta	▬ ● ●	DELL TAH
E	Echo	.●	ECK OH
F	Foxtrot	● ● ▬ ●	FOKS TROT
G	Golf	▬ ▬ ●	GOLF
H	Hotel	● ● ● ●	HOH TELL
I	India	● ●	IN DEE AH
J	Juliett	● ▬ ▬ ▬	JEW LEE ETT
K	Kilo	▬ ● ▬	KEY LOH
L	Lima	● ▬ ● ●	LEE MAH
M	Mike	▬ ▬	MIKE
N	November	▬ ●	NO VEMBER
O	Oscar	▬ ▬ ▬	OSS CAH
P	Papa	● ▬ ▬ ●	PAH PAH
Q	Quebec	▬ ▬ ● ▬	KEH BECK
R	Romeo	● ▬ ●	ROW ME OH
S	Sierra	● ● ●	SEE AIRRAH
T	Tango	▬	TANG OH
U	Uniform	● ● ▬	YOU NEE FORM
V	Victor	● ● ● ▬	VIK TAH
W	Whiskey	● ▬ ▬	WISS KEY
X	X-ray	▬ ● ● ▬	ECKS RAY
Y	Yankee	▬ ▬ ● ●	YANG KEY
Z	Zulu	▬ ▬ ▬ ▬ ▬	ZOO LOO
"""

def get_table():
    global TABLE
    x = {}
    rows = TABLE.split('\n')
    for row in rows:
        if row:
            a, name, morse, pr = row.split('\t')
            x[a] = name.split('/')[0]
    return x

def main(s):
    table = get_table()
    # TODO: could use punctuation more effectively to get the mac `say` command
    # to pause appropriately.
    for c in s.upper():
        if c in table:
            print("%s as in %s." % (c, table[c]))
        else:
            print("%s;" % c)

if __name__ == '__main__':
    # usage: python3 say.py "7SAYGDEF5PF870876" | say
    # python3 say.py "7SAYGDEF5PF870876" | say -r 80
    s = sys.argv[1]
    main(s)