在两个单词列表中比较和存储匹配的字母?

时间:2013-03-16 21:37:05

标签: python string python-2.7 comparison

我对编程非常陌生并阅读了几个Q&在Stackoverflow上有一个关于匹配两个列表中的字符串的内容,但没有找到一个可以帮助我完成这个确切任务的字符串。

我必须列出如下:

list1 = ["INTP", "ESFJ", "ENTJ"]
list2 = ["ENTP", "ESFP", "ISTJ"]

我想迭代每个单词中的每个字母,并存储所有比较,列表中所有单词的匹配字母总数以及匹配的每个字母,如下所示:

total_letters_compared = 12
total_correct_matches = 8 
first_letter_pair_matches = 1
second_letter_pair_matches = 2
third_letter_pair_matches = 3
fourth_letter_pair_matches = 2

我无法弄清楚如何在两个列表中的某个索引[i]进行比较,因此我可以以某种方式在我的变量中存储匹配。到目前为止我能想出的是:

total = 0
total_letters_compared = 0
total_correct_matches = 0
first_letter_pair_matches = 0
second_letter_pair_matches = 0
third_letter_pair_matches = 0
fourth_letter_pair_matches = 0

for combination in list2:
for letter in combination:
    total_letters_compared = total_letters_compared + 1
    if list2letter == list1.ltter:
        total_correct_matches = total_correct_matches + 1
        # here I´d like to keep track of which letter-pair is compared and
                    # add 1 to the correct variable or continue to the next letter-pair

1 个答案:

答案 0 :(得分:1)

使用zip来迭代1个以上的集合。 (注意:此代码假定两个列表具有相同数量的项目,并且每个项目都是正确的intp配置文件)

matches = {0:0, 1:0, 2:0, 3:0}

for item1, item2 in zip(list1, list2):
   for i in xrange(4):
      if item1[i]==item2[i]: 
         matches[i] += 1

and you can extract data you want by:

total_letters_compared = #length of a list * 4
total_correct_matches = #sum(matches.values())
nth_letter_pair_matches = #matchs[n-1]