# 去读csv文件
import csv


def read_csv_to_text(filename):
    """
    读取CSV文件内容，并将每行用逗号连接，所有行用换行符拼接成一个字符串返回。
    """
    # 以uft-8格式打开文件
    with open(filename, "r", encoding="utf-8") as f:
        # 创建csv.reader对象，按行读取csv内容
        reader = csv.reader(f)
        # 对每一行，用逗号链接各列，生成字符串列表
        rows = [", ".join(row) for row in reader]

    # 拼接所有文本
    all_text = "\n".join(rows)
    return all_text


if __name__ == "__main__":
    filename = "example/example.csv"
    result = read_csv_to_text(filename)
    print(result)