Python串列list元組tuple字典dictionary

程式碼

import csv                      #輸入csv套件comma separated value
file = open('SPY.CSV','r')     #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
header.append('MA20')    #appendix附錄,為header串列list新曾元素
header.append('部位')
#print('印出前十列')
#print(header)
for i in range(20):
   rows[i].append(rows[i][5])
for i in range(21,len(rows)):
    sum20 = 0.0      #實數=浮點數
    for j in range(i-20, i):
       sum20 += float(rows[j][5])
    rows[i].append(sum20/20)
for i in range(len(rows)-3,len(rows)):  #length的命令len(rows)
    print('第',i+1,'列',rows[i])

239佘. 0330. excel,match,index. https://zxcv0218.blogspot.com/2024/03/excelmatchindex.html