从文本文件中提取唯一的fasta序列

def extract_unique_fasta_sequences(file_path):
    fasta_sequences = {}
    current_sequence = ""
    
    with open(file_path, 'r') as file:
        for line in file:
            line = line.strip()
            
            if line.startswith(">"):
                if current_sequence:
                    fasta_sequences[current_sequence[0]] = current_sequence[1]
                current_sequence = [line, ""]
            else:
                current_sequence[1] += line
    
    if current_sequence:
        fasta_sequences[current_sequence[0]] = current_sequence[1]
    
    return fasta_sequences

file_path = "path/to/your/file.txt"
unique_fasta_sequences = extract_unique_fasta_sequences(file_path)

# 输出结果
for description, sequence in unique_fasta_sequences.items():
    print(description)
    print(sequence)
    print()