如何从文件中删除重复的行

# 打开文件并读取内容
with open("input_file.txt", "r") as file:
    lines = file.readlines()

# 将内容转换为集合，以删除重复项
unique_lines = set(lines)

# 将结果写入新文件
with open("output_file.txt", "w") as file:
    for line in unique_lines:
        file.write(line)

sort input_file.txt | uniq > output_file.txt

findstr /V /L /X /G:output_file.txt input_file.txt > temp_file.txt
move /Y temp_file.txt output_file.txt > nul