Created a morse code decoder and encoder dealing with corner cases as…

… well

morse_code_decoder_encoder.py

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+MORSE_CODE_DICT = { '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':'-----', ', ':'--..--', '.':'.-.-.-', 
+					'?':'..--..', '/':'-..-.', '-':'-....-', 
+					'(':'-.--.', ')':'-.--.-'} 
+
+def encrypt(message): 
+    """Encrypt the message to Morse code."""
+    cipher = ''
+    for letter in message: 
+        if letter in MORSE_CODE_DICT:  # Check if letter is valid
+            cipher += MORSE_CODE_DICT[letter] + ' '
+        else:
+            print(f'This: {letter} could not be converted into Morse code, removing it from the message')
+    return cipher.strip()  # Remove trailing space
+
+def decrypt(message): 
+	message += ' '
+
+	decipher = '' 
+	citext = '' 
+	for letter in message: 
+		if (letter != ' '): 
+			i = 0
+			citext += letter 
+		else: 
+			i += 1
+			if i == 2 : 
+				decipher += ' '
+			else: 
+				decipher += list(MORSE_CODE_DICT.keys())[list(MORSE_CODE_DICT 
+				.values()).index(citext)] 
+				citext = '' 
+
+	return decipher 
+switch = input("Enter 1 for encryption and 2 for decryption: ")
+if switch == '1':
+    message = input("Enter the message you want to encrypt(press enter for default input): ")
+    if not message:
+        print("No inputs detected so we are using default input 'Rohit'")
+        message = 'Rohit'
+    result = encrypt(message.upper()) 
+    print (result)
+
+else:
+    message = input("Enter the message you want to decrypt(press enter for default message): ")
+    if not message:
+        print("No inputs detected so we are using default input '.--. -.-- - .... --- -.'")
+        message = '.--. -.-- - .... --- -.'
+    result = decrypt(message) 
+    print (result)
+