Python 解决写入csv中间隔一行空行问题

参考：https://www.cnblogs.com/littlebob/p/9293931.html

with open(birth_weight_file,'w',newline='') as f:
    writer=csv.writer(f)
    writer.writerow(birth_header)
    writer.writerows(birth_data)
    f.close()