txt file duplicate line remover python
lines_seen = set() # holds lines already seen with open("file.txt", "r+") as f: d = f.readlines() f.seek(0) for i in d: if i not in lines_seen: f.write(i) lines_seen.add(i) f.truncate()
txt file duplicate line remover python
lines_seen = set() # holds lines already seen with open("file.txt", "r+") as f: d = f.readlines() f.seek(0) for i in d: if i not in lines_seen: f.write(i) lines_seen.add(i) f.truncate()
python delete duplicate lines in file
with open("file.txt", "r") as txt_file: new_data = list(set(txt_file)) return new_data
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