Easy Challenge #7 from reddit.com/r/dailyprogrammer

challenge7.py

# EasyChallenge 7 - reddit.com/r/dailyprogrammer
# Convert morse code
# 10 AUG 2015

# Created a dictionary of Letter : Morse
morse = {
	'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' : '--..'
	}	
inv_morse = {v:k for k, v in morse.items()}  # This inverts the morse dictionary.	
code = ".... . .-.. .-.. --- / -.. .- .. .-.. -.-- / .--. .-. --- --. .-. .- -- -- . .-. / --. --- --- -.. / .-.. ..- -.-. -.- / --- -. / - .... . / -.-. .... .- .-.. .-.. . -. --. . ... / - --- -.. .- -.--"

#Begin Logic
split_code = code.split(' ')  				# split morse string into list of letters by spaces
translation = []					# not sure I have to define this before using the append in line 23
for word in split_code:					# begin translation
	translation.append(inv_morse.get(word, ' '))	# .get() method searches given dictionary for keys and returns values. Invalid keys return ' ' which turns the / in ' '.
print("".join(x for x in translation))			# Prints translation list joined into a string.