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morse_code.py
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morse_code.py
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# Dictionary representing the morse code chart
# Blink: '.'; Brow_raise:'-'
morseAlphabet = {
'A': '.-', 'B': '-...',
'C': '-.-.', 'D': '-..', 'E': '.',
'F': '..-.', 'G': '--.', 'H': '....',
'I': '..', 'J': '.---', 'K': '-.-.',
'L': '.-..', 'M':'--', 'N':'-.',
'O':'---', 'P':'.--.', 'Q':'--.-',
'R':'.-.', 'S':'...', 'T':'-',
'U':'..-', 'V':'...-', 'W':'.--',
'X':'-..-', 'Y':'-.--', 'Z':'--..',
'1':'.----', '2':'..---', '3':'...--',
'4':'....-', '5':'.....', '6':'-....',
'7':'--...', '8':'---..', '9':'----.',
'0':'-----', ', ':'--..--', '.':'.-.-.-',
'?':'..--..', '/':'-..-.', '-':'-....-',
'(':'-.--.', ')':'-.--.-',' ':'.-.-' ,'@':'..--'
}
inverseMorseAlphabet=dict((v,k) for (k,v) in morseAlphabet.items())
def decrypt(message):
# extra space added at the end to access the
# last morse code
if message == '':return ''
message += ' '
decipher = ''
citext = ''
for letter in message:
# checks for space
if (letter != ' '):
# counter to keep track of space
i = 0
# storing morse code of a single character
citext += letter
# in case of space
else:
# if i = 1 that indicates a new character
i += 1
# if i = 2 that indicates a new word
if i == 2 :
# adding space to separate words
decipher += ' '
else:
# accessing the keys using their values (reverse of encryption)
decipher += list(morseAlphabet.keys())[list(morseAlphabet
.values()).index(citext)]
citext = ''
return decipher