classical.py 文件源码

def morse_encode(text, dot='.', dash='-', space=' '):
   '''
   Encodes text into Morse code.
   '''
   dot_dash_trans = string.maketrans('.-', dot+dash)
   translated_morse_table = map(lambda (x,y): (x, string.translate(y, dot_dash_trans)), morse_table.items())
   translated_morse_table = dict(translated_morse_table)
   output = []
   for char in text.lower():
      if char in string.lowercase + string.digits:
         output.append(translated_morse_table[char])
   return space.join(output)