def txt2morse(txt, alphabet):
morse_code = ""
for char in txt.upper():
if char == " ":
morse_code += " "
else:
morse_code += alphabet[char] + " "
return morse_code
def morse2txt(txt, alphabet):
res = ""
mwords = txt.split(" ")
for mword in mwords:
for mchar in mword.split():
res += alphabet[mchar]
res += " "
return res
mstring = txt2morse("So what?", char_morse)
print(mstring)
print(morse2txt(mstring, morse_char))