模块

 

 

import csv

with open("mytest.csv",encoding='utf-8-sig')  as r:
    print("内容如下\n")
    reader = csv.reader(r)
    #使用csv的reader()方法，创建一个reader对象
    for content in reader:
    #遍历reader对象的每一行
        print(content)

print("读取完毕！")

import csv
from kkb_tools import open_file
with open("mytest1.csv",'a')  as r:
    writer = csv.writer(r)
    writer.writerow([41,42,43])
print("写入完毕！")
open_file("mytest1.csv")

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