林新茁python讀取CSV

import csv                      #輸入csv套件comma separated value
file = open('SPY.CSV','r',encoding='utf-8')     #打開下載的檔案SPY.CSV,模式是r讀取,
csvreader = csv.reader(file)   #將檔案讀入變數csvreader
header, rows = [], []           #宣告空白串列(陣列,清單)
header = next(csvreader)       #串列header儲存檔案第一列
for row in csvreader:          #檔案接續逐列附加append於rows串列
   rows.append(row)
file.close()                        #關閉檔案
print(header)
print('林新茁分析列數:',len(rows))#視窗放大按下CTRL +