import csv # 如果不添加newline=""的话,就会每条数据中间都会有空格行 with open("test.csv","w", newline="") as csvfile: # 初始化写入对象 writer = csv.writer(csvfile) #先写入columns_name #writer.writerow(["index","a_name","b_name"]) #写入多行用writerows writer.writerows([[0,1,2],[1,2,3],[2,3,4]])
得到结果: