从行的其余部分不重复的字段中删除重复项

def remove_duplicates(data):
    unique_fields = set()
    result = []

    for line in data:
        fields = line.split(',')  # 假设字段之间使用逗号分隔
        unique_fields.update(fields)

    for line in data:
        fields = line.split(',')
        unique_line = [field for field in fields if field in unique_fields]
        result.append(','.join(unique_line))

    return result

data = [
    "A,B,C,D",
    "E,F,G,H",
    "A,B,I,J",
    "K,L,M,N"
]

result = remove_duplicates(data)
for line in result:
    print(line)

A,B,C,D
E,F,G,H
A,B,I,J
K,L,M,N