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