如何比较两个数组的每个索引处的内容并返回匹配的索引

Question

我需要比较两个数组，其中一个数组的值存在于另一个数组中，我需要在另一个数组中匹配后插入下一个位置。但在我的代码中它什么也没做。

这是我的代码：

arr=[]
result=['Alphabets','reveals','help','opinions','Allah']
words=['Alif-Laam-Meem','NNP','Alphabets','NNPS','of','IN','the','DT',' Arabic','NNP','language','NN','Allah','NNP','and','CC','to','TO', 'whomever','VB','He','PRP','reveals','VBZ','know','VBP','their','PRP','precise','JJ','meanings','NNS']
j=4
k=0
while j<len(words): #words contain text file contents that is split into words
    while k<len(result): #result is another array containing subsets of words of file.
         if result==words[j]: # if values of results match with values of words
             arr.append(words[j+1]) #add next index of words in arr.
             j+=1
             print(arr)
         else:
             continue

Answer 1

根据您的评论

我想将结果列表的每个值与单词列表匹配。如果找到匹配项，那么我想将该值添加到新数组中。

有一个非常简单的方法可以做到这一点。这是一个工作示例：

arr=[]
result=['Alphabets','reveals','help','opinions','Something']
words=['Alif-Laam-Meem','NNP','Alphabets','NNPS','of','IN','the','DT',' Arabic','NNP','language','NN','Something','NNP','and','CC','to','TO', 'whomever','VB','He','PRP','reveals','VBZ','know','VBP','their','PRP','precise','JJ','meanings','NNS']

for i in result:
    if i in words:
        arr.append(i)
print arr

这会给你：

['Alphabest', 'reveals', 'Something']

希望这会有所帮助！

Answer 2

根据评论

我想将结果列表的每个值与单词列表匹配。如果找到匹配项，那么我想将该值添加到新数组中。

这是另一种方法

result=['Alphabets','reveals','help','opinions','Something']
words=['Alif-Laam-Meem','NNP','Alphabets','NNPS','of','IN','the','DT',' Arabic','NNP','language','NN','Something','NNP','and','CC','to','TO', 'whomever','VB','He','PRP','reveals','VBZ','know','VBP','their','PRP','precise','JJ','meanings','NNS']

arr = [ word for word in result if word in words]
print(arr)