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_dataCopyright © 2021 Codeinu
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