普通方法读取：
1 with open("fileName.csv") as file: 2 for line in file: 3 print line
用CSV标准库读取：
1 import csv 2 csv_reader = csv.reader(open("fileName.csv")) 3 for row in csv_reader: 4 print row
用pandas读取：
1 import pandas as pd 2 data = pd.read_csv("fileName.csv") 3 print data 4 5 data = pd.read_table("fileName.csv",sep=",") 6 print data