The code seems correct but my files aren't getting deleted

[taffylim69]

I heard that python can make life easier, I wanted to remove duplicates in folderA by comparing folderB with folderA, so I decided to download python and try coding with python. My code seems correct, however, my files are failing to delete, what's wrong with it?

I tried unlink but doesn't work.

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import os       with open(r"C:\pathto\output.txt", "w") as a:     for path, subdirs, files in os.walk(r'C:\pathto\directoryb'):        for filename in files:          #f = os.path.join(path, filename)          #a.write(str(f) + os.linesep)          a.write(str(filename) + '\n')                textFile = open(r'C:\output.txt', 'r')       line = textFile.readline() while line:  target = str(line)  todelete = 'C:\directorya' + target  if (os.path.exists(todelete)):   os.remove(todelete)  else:   print("failed")  line = textFile.readline()       textFile.close()

I want my files deleted, basically folderA contains some files in folderB, and I'm trying to delete it.

[Larz60+]

you cannot delete the file while it is still open.