leetcode966

class Solution(object):
    def spellchecker(self, wordlist: 'List[str]', queries: 'List[str]') -> 'List[str]':
        wordlen = len(wordlist)
        wordict = {}#存原始形式
        wordict_lowercase = {}#存小写形式
        wordict_replace = {}#存替换形式
        for i in range(wordlen):
            word = wordlist[i]
            if word not in wordict:
                wordict.update({word:i})

            lowcase = wordlist[i].lower()
            #if lowcase not in wordict_lowercase and lowcase != word:
            if lowcase not in wordict_lowercase:
                wordict_lowercase.update({lowcase:i})

            altercase = ''
            for j in range(len(lowcase)):
                c = lowcase[j]
                if c=='e' or c =='i' or c =='o' or c=='u':
                    c ='a'
                altercase += c
            if altercase not in wordict_replace:
                wordict_replace.update({altercase:i})    
        '''        
        print(wordict)
        print(wordict_lowercase)
        print(wordict_replace)
        '''
        result = list()
        for i in range(len(queries)):
            q = queries[i]
            lowq = q.lower()

            alterq = ''
            for j in range(len(lowq)):
                c = lowq[j]
                if c == 'e' or c == 'i' or c == 'o' or c =='u':
                    c = 'a'
                alterq += c
            if q in wordict:
                result.append(wordlist[wordict[q]])
            elif lowq in wordict_lowercase:
                result.append(wordlist[wordict_lowercase[lowq]])
            elif alterq in wordict_replace:
                result.append(wordlist[wordict_replace[alterq]])
            else:
                result.append('')
        return result