1.基本读取方式

import csvcsv_reader=csv.reader(open('account.csv',encoding='utf-8'))for row in csv_reader:    print(row)#account.csv在同一目录下

2..读取文件中的某一列以及多列

import csvwith open('account.csv',encoding='utf-8') as csvfile:    reader=csv.reader(csvfile)    column=[row[2] for row in reader]    print(column)

3.读取文件的某一行

import csvwith open('account.csv',encoding='utf-8') as csvfile:    reader=csv.reader(csvfile)    for i,rows in enumerate(reader):        if i==0:            row=rows    print(row)

4.读取文件的行数

import csva=open("account.csv","r")b=len(a.readline())print(b)