Python：csv文件的读取

import csv

# csv文件的写入
file = open('demo20200202.csv','w',encoding='utf8',newline='')
w = csv.writer(file)

# 写入方式一
w.writerow(['name','age','city'])
# 写入方式二
w.writerows(
    [
        ['san',1,'北京'],
        ['hua',2,'上海'],
    ]
)

file.close()

# csv文件的读取
file2 = open('demo.csv','r',encoding='utf8')
r = csv.reader(file2)
for i in r:
    print(i)

file.close