有如下程序代码:
import csv # ①
headers = ['学号','姓名','分数']
rows = [['202001','张三','98'],['202002','李四','95'],['202003','王五','92']]
with open('score.csv','w',encoding='utf8',newline='') as f : # ②
writer = csv.writer(f) # ③
writer.writerow(headers)
writer.writerows(rows) # ④
关于上述语句的解释, 不正确的是? ( )
①处功能为导入 csv 库
②处以写方式打开文件
③处创建 csv. writer 实例
④处一次只能写入一行