解决python 输出到csv 出现多空行的情况

with open(r"F:\Desktop\Book3.csv",'w',encoding = 'GB18030',newline='') as cwf:
 spamwriter = csv.writer(cwf) 
 spamwriter.writerow(['剧名','主要演员','上映时间'])
 spamwriter.writerows(kl)

csv_headers = ["bid", "单位面积穗数(万)", "千粒重(g)", "每穗粒数", "亩产量(kg)"]
 def write_to_csv(headers, r):
 with open("../data/yield.csv", "w", encoding="utf-8") as f:
  writer = csv.writer(f)
  writer.writerow(headers)
  writer.writerows(r)

with open("yield.csv", "w", newline="", encoding="utf-8") as f:
# 官方推荐加上一个参数newline=''