python - 提示用户直到输入 5 个独特的元音或辅音

Question

代码的目的在下面得到了最好的解释，例如，如果我输入“hello”，然后输入“luck”，然后输入“liar”，正确的输出应该是“5”“eouia”3“和”ckr“。然而，当我这样做时，它会在输入“骗子”后不断提示我输入更多信息。

        ###########################################################
        #  Algorithm
        #    Ask for a word
        #     Count and store all vowels in the words (repeats only are 
        #      counted once)
        #     count and store only consonants after the last vowel, if the 
        #     if last letter is a vowel no consonants are stored
        #       once all 5 vowels are stored or at least 5 consonants are 
        #       stored 
        #           print
        #               what vowels appear and how many 
        #               what consonants appear   
        ###########################################################

VOWELS = 'aeiou'

word = input('Input a word: ')
wordlow = word.lower() #converts the input to all lowercase

vowcount = 0
concount = 0

vowcollected_str = ''
concollected_str = ''

#ends the program once 5 vowels or consonants have been stored
while vowcount <= 4 and concount <= 4: 
    vowcount = 0
    concount = 0

    #stores the actual letter that is being stored, not just how many
    vowcollected_str = ''
    concollected_str = ''

    for i, ch in enumerate(wordlow):
        if ch in VOWELS:
            if ch not in vowcollected_str:
                vowcollected_str += ch 
                position = i
                vowcount += len(vowcollected_str)
        if ch not in VOWELS:
                if ch not in concollected_str:
                    concollected_str += wordlow[i:]
                    concount += len(word[i:]) 
    word = input('Input a word: ')
    wordlow = word.lower()
print(vowcount)
print(vowcollected_str) 
print(concount)
print(concollected_str)

Answer 1

我会保留一个 set的所有必需的元音，并减去您输入的所有字母，直到集合为空:

VOWELS = 'aeiou'

vowelsSoFar = set(VOWELS)

while vowelsSoFar:
    word = input('enter a word: ')
    vowelsSoFar -= set(word)
    # Feel free to print out the remains vowels, for example