def unicode_sorter(input):
    """ This function implements sort keys for the german language according to
    DIN 5007."""

    # key1: compare words lowercase and replace umlauts according to DIN 5007
    key1 = input.lower()
    key1 = key1.replace(u"ä", u"a")
    key1 = key1.replace(u"ö", u"o")
    key1 = key1.replace(u"ü", u"u")
    key1 = key1.replace(u"ß", u"ss")

    # key2: sort the lowercase word before the uppercase word and sort
    # the word with umlaut after the word without umlaut
    # key2=input.swapcase()

    # in case two words are the same according to key1, sort the words
    # according to key2.
    return key1
def unicode_sorter(input):
    """ This function implements sort keys for the german language according to
    DIN 5007."""

    # key1: compare words lowercase and replace umlauts according to DIN 5007
    key1 = input.lower()
    key1 = key1.replace(u"ä", u"a")
    key1 = key1.replace(u"ö", u"o")
    key1 = key1.replace(u"ü", u"u")
    key1 = key1.replace(u"ß", u"ss")

    # key2: sort the lowercase word before the uppercase word and sort
    # the word with umlaut after the word without umlaut
    # key2=input.swapcase()

    # in case two words are the same according to key1, sort the words
    # according to key2.
    return key1
def unicode_sorter ( input ) : # key1: compare words lowercase and replace umlauts according to DIN 5007 key1 = input . lower ( ) key1 = key1 . replace ( u"ä", "a") key1 = key1 . replace ( u"ö", "o") key1 = key1 . replace ( u"ü", "u") key1 = key1 . replace ( u"ß", "ss") # key2: sort the lowercase word before the uppercase word and sort # the word with umlaut after the word without umlaut # key2=input.swapcase() # in case two words are the same according to key1, sort the words # according to key2. return key1
This function implements sort keys for the german language according to
    DIN 5007.
This function implements sort keys for the german language according to DIN 5007 .