如何合并不以某些字符开头的行

def merge_lines(file_path, exclusion_chars):
    with open(file_path, 'r') as file:
        lines = file.readlines()

    merged_lines = []
    current_line = ''
    
    for line in lines:
        line = line.strip()
        if line and not line.startswith(exclusion_chars):
            current_line += line
        else:
            if current_line:
                merged_lines.append(current_line)
            current_line = ''

    if current_line:
        merged_lines.append(current_line)

    with open(file_path, 'w') as file:
        file.write('\n'.join(merged_lines))