python模块-csv模块

读取数据

import csv
# print(dir(csv))
with open('Z16.csv','r',newline='',encoding='UTF-8-sig') as f1:
    reader = csv.reader(f1)
    for row in reader:
       print(row)

追加数据

 

import csv
with open('test.csv','a',newline='',encoding='utf-8') as f:
    writer = csv.writer(f)
    writer.writerow(['4', '猫砂', '25', '1022', '886'])
    writer.writerow(['5', '猫罐头', '18', '2234', '3121'])