我有：我有兩個這樣的列表：[('ELON_MUSK', True), ('BARACK_OBAMA', False), ('DONALD_TRUMP', False)][('ELON_MUSK', False), ('BARACK_OBAMA', True), ('DONALD_TRUMP', False)]我想（問題）：由于ELON_MUSK和BARACK_OBAMA是true我想給他們，并追加檢索到的字符串，但我敢肯定，我不知道如何尋找的問題，正確的方面，因為我什么也沒有發(fā)現(xiàn)這一點，因此要求在這里。我希望發(fā)生：People in this image: ELON_MUSK BARACK_OBAMA我正在做：for imagePath in imageArray: # Try comparing an unknown image unknown_image = face_recognition.load_image_file(imagePath) unknown_face = face_recognition.face_encodings(unknown_image) face_count = len(unknown_face) name_list = "" print("Checking: " + imagePath) print("----------------------------") for i in range(face_count): result = face_recognition.compare_faces(face_encodings, unknown_face[i]) # Print the result as a list of names with True/False names_with_result = list(zip(face_names, result)) print(names_with_result, end = '') print(" -- Checking face #" + str(i+1)) # vvv I HAVE NO IDEA ABOUT THIS PART vvv if "True" in names_with_result: #name_list = name_list + " name of the TRUE person"; print("People in this image: " + name_list)我越來越：People in this image:
3 回答
慕斯709654
TA貢獻1840條經(jīng)驗 獲得超5個贊
# Separate lists of (name, is_in_image) tuples
>>> a = [('ELON_MUSK', True), ('BARACK_OBAMA', False), ('DONALD_TRUMP', False)]
>>> b = [('ELON_MUSK', False), ('BARACK_OBAMA', True), ('DONALD_TRUMP', False)]
# Combine the lists
>>> together = a + b
# Create a list containing all names if the second element (is_in_image) is True
>>> [name for name, is_in_image in together if is_in_image]
['ELON_MUSK', 'BARACK_OBAMA']
>>> print('People in this image: {}'.format(', '.join([name for name, is_in_image in together if is_in_image])))
People in this image: ELON_MUSK, BARACK_OBAMA
我認為你目前的做法主要的問題是，你的追加試驗if 'True' in names_with_result，而不是if True in names_with_result... 'True' != True...
>>> sample_result = ('ELON_MUSK', True)
>>> 'True' in sample_result
False
>>> True in sample_result
True
第一個測試'True' in sample_result返回 False，然后不會觸發(fā)您的附加邏輯，從而傳遞該元素。
慕的地10843
TA貢獻1785條經(jīng)驗 獲得超8個贊
你也可以這樣做：
l1 = [('ELON_MUSK', True), ('BARACK_OBAMA', False), ('DONALD_TRUMP', False)]
l2 = [('ELON_MUSK', False), ('BARACK_OBAMA', True), ('DONALD_TRUMP', False)]
# join the two list
l1.extend(l2)
# create a simple function that return a list of true
f = lambda x: [i for i,j in x if j]
print('{} is not {}'.format(*f(l1)))
人到中年有點甜
TA貢獻1895條經(jīng)驗 獲得超7個贊
試試這個：
A= [('ELON_MUSK', True), ('BARACK_OBAMA', False), ('DONALD_TRUMP', False)]
B= [('ELON_MUSK', False), ('BARACK_OBAMA', True), ('DONALD_TRUMP', False)]
name_list = ''.join([a[0]+' , '+b[0] for a in A for b in B if a[1]==True and b[1]== True])
print("People in this image: "+ name_list)
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