python将英文单词表示的数字转换成阿拉伯数字，python阿拉伯,import re_kn

python将英文单词表示的数字转换成阿拉伯数字，python阿拉伯,import re_kn

import re_known = {    'zero': 0,    'one': 1,    'two': 2,    'three': 3,    'four': 4,    'five': 5,    'six': 6,    'seven': 7,    'eight': 8,    'nine': 9,    'ten': 10,    'eleven': 11,    'twelve': 12,    'thirteen': 13,    'fourteen': 14,    'fifteen': 15,    'sixteen': 16,    'seventeen': 17,    'eighteen': 18,    'nineteen': 19,    'twenty': 20,    'thirty': 30,    'forty': 40,    'fifty': 50,    'sixty': 60,    'seventy': 70,    'eighty': 80,    'ninety': 90    }def spoken_word_to_number(n):    """Assume n is a positive integer".assert _positive_integer_number('nine hundred') == 900assert spoken_word_to_number('one hundred') == 100assert spoken_word_to_number('eleven') == 11assert spoken_word_to_number('twenty two') == 22assert spoken_word_to_number('thirty-two') == 32assert spoken_word_to_number('forty two') == 42assert spoken_word_to_number('two hundred thirty two') == 232assert spoken_word_to_number('two thirty two') == 232assert spoken_word_to_number('nineteen hundred eighty nine') == 1989assert spoken_word_to_number('nineteen eighty nine') == 1989assert spoken_word_to_number('one thousand nine hundred and eighty nine') == 1989assert spoken_word_to_number('nine eighty') == 980assert spoken_word_to_number('nine two') == 92 # wont be able to convert this oneassert spoken_word_to_number('nine thousand nine hundred') == 9900assert spoken_word_to_number('one thousand nine hundred one') == 1901"""    n = n.lower().strip()    if n in _known:        return _known[n]    else:        inputWordArr = re.split('[ -]', n)    assert len(inputWordArr) > 1 #all single words are known    #Check the pathological case where hundred is at the end or thousand is at end    if inputWordArr[-1] == 'hundred':        inputWordArr.append('zero')        inputWordArr.append('zero')    if inputWordArr[-1] == 'thousand':        inputWordArr.append('zero')        inputWordArr.append('zero')        inputWordArr.append('zero')    if inputWordArr[0] == 'hundred':        inputWordArr.insert(0, 'one')    if inputWordArr[0] == 'thousand':        inputWordArr.insert(0, 'one')    inputWordArr = [word for word in inputWordArr if word not in ['and', 'minus', 'negative']]    currentPosition = 'unit'    prevPosition = None    output = 0    for word in reversed(inputWordArr):        if currentPosition == 'unit':            number = _known[word]            output += number            if number > 9:                currentPosition = 'hundred'            else:                currentPosition = 'ten'        elif currentPosition == 'ten':            if word != 'hundred':                number = _known[word]                if number < 10:                    output += number*10                else:                    output += number            #else: nothing special            currentPosition = 'hundred'        elif currentPosition == 'hundred':            if word not in [ 'hundred', 'thousand']:                number = _known[word]                output += number*100                currentPosition = 'thousand'            elif word == 'thousand':                currentPosition = 'thousand'            else:                currentPosition = 'hundred'        elif currentPosition == 'thousand':            assert word != 'hundred'            if word != 'thousand':                number = _known[word]                output += number*1000        else:            assert "Can't be here" == None    return(output)