python返回汉字的首字母，python返回汉字,def get_firs

python返回汉字的首字母，python返回汉字,def get_firs

def get_first_letter(char):   char=char.encode('GBK')   if char<b"\xb0\xa1" or char>b"\xd7\xf9":       return ""   if char<b"\xb0\xc4":       return "a"   if char<b"\xb2\xc0":       return "b"   if char<b"\xb4\xed":       return "c"   if char<b"\xb6\xe9":       return "d"   if char<b"\xb7\xa1":       return "e"   if char<b"\xb8\xc0":       return "f"   if char<b"\xb9\xfd":       return "g"   if char<b"\xbb\xf6":       return "h"   if char<b"\xbf\xa5":       return "j"   if char<b"\xc0\xab":       return "k"   if char<b"\xc2\xe7":       return "l"   if char<b"\xc4\xc2":       return "m"   if char<b"\xc5\xb5":       return "n"   if char<b"\xc5\xbd":       return "o"   if char<b"\xc6\xd9":       return "p"   if char<b"\xc8\xba":       return "q"   if char<b"\xc8\xf5":       return "r"   if char<b"\xcb\xf9":       return "s"   if char<b"\xcd\xd9":       return "t"   if char<b"\xce\xf3":       return "w"   if char<b"\xd1\x88":       return "x"   if char<b"\xd4\xd0":       return "y"   if char<b"\xd7\xf9":       return "z"