python读取csv文件的某一列或某几列

读取csv某一列数据

import csv
import pandas as pd

with open('test.csv','r') as f:
    reader = csv.reader(f)
    column = [row[1] for row in reader]
    print(column)

按照列属性进行读取

import pandas as pd
datas = pd.read_csv('test.csv',usecols=['name','price','num'])
print(datas)

按照列属性读取数据前十行

import pandas as pd
datas = pd.read_csv('test.csv',usecols=['name','price','num'],nrows=10)
print(datas)