簡單的python程序，對我來說不容易

Question

我必須寫一個有四種不同文字游戲選項的程序。

其中一個選項是用戶從字典文件中輸入一定長度的單詞，然后程序找到一個具有該長度的單詞，該單詞可以由美國50個州的縮寫組成。

例如：如果用戶輸入6，則程序找到單詞MARINE，其由5個縮寫組成：MA（馬薩諸塞州），AR（亞利桑那州），RI（羅德島州），IN（印第安納州）和NE（內布拉斯加州） 。

到目前為止我有這個：

elif choice == "d":
    #wordlen = length of words user is looking for.
    wordlen = raw_input("Enter the length of words you are looking for: ")
    wordlen = int(wordlen)
    print wordlen

    states = ['AL','AK','AZ','AR','CA','CO','CT','DE','DC','FL','GA','HI',\
    'ID','IL','IN','IA','KS','KY','LA','ME','MD','MA','MI','MN','MS','MO','MT',\
    'NE','NV','NH','NJ','NM','NY','NC','ND','OH','OK','OR','PA','RI','SC','SD',\
    'TN','TX','UT','VT','VA','WA','WV','WI','WY']

    for line in file:
        line = line.strip()
        line = line.upper()

        if len(line) == wordlen:

我已經在整個循環的開頭打開了字典文件（file = file.open（'dictionary.txt'）並使用了file.seek（0）然后當循環被打破時（當用戶輸入'q'時） ），file.close（），這樣我就不必在每個過程中打開和關閉文件。

在我有用戶輸入的條件后，我不知道該怎么做。 我已經嘗試了一切，它沒有給我預期的輸出。 請幫忙？ 這是我服用python的第一年，這讓我非常困惑-__-

Answer 1

對於具有正確長度的字典文件中的每一行（例如，匹配用戶輸入長度），您需要檢查該單詞中的每個連續字母對，以查看是否在狀態列表中出現。

for line in file:
    line = line.strip()
    line = line.upper()

    if len(line) == wordlen:

        # Set some counters/containers.
        pair_is_abbrev = 1 #<-- Marks true/false if pair is in abbrev list.
        cur_letter_indx = 0 #<-- Counts the location we're at in this line.

        # Loop until we find a two-letter sequence that's not an abbrev.
        # or until we hit the end of this line (the word length).
        while(pair_is_abbrev and cur_letter_indx <= wordlen-1):
            cur_pair = line[cur_letter_indx:(cur_letter_indx+2)] #<-- Get current two letters
            pair_is_abbrev = (cur_pair in states) #<-- Python way to check if that pair is in your list of abbrevs.
            cur_letter_indx = cur_letter_indx + 1 #<-- Increment the counter.

        # Once the loop terminates, pair_is_abbrev can only be true if we
        # made it all the way to the end of the line successfully. If so,
        # then we found an all-abbrevs word. Otherwise, move on to the next line.
        if(pair_is_abbrev):
            print "Found a word made of abbreviations that is the right length:"
            print line