曾鈞淵Javascript在瀏覽器就可以執行不需要VS Code
曾鈞淵EXCEL和PYTHON使用集合統計21家會計師事務所
import csv #輸入csv套件comma separated value file = open('TWSE.CSV','r',encoding='utf-8') #打開下載的檔案TWSE.CSV,模式是r讀取, csvreader = csv.reader(file) #將檔案逐列讀入串列變數csvreader header, rows = [], [] #宣告空白串列(陣列,清單) header = next(csvreader) #串列header存放第一列標題 for row in csvreader: #逐列讀檔案、附加append於rows串列 rows.append(row) file.close() #關閉檔案 print(header) n = len(rows) print('上市公司數目',n) for i in range(n):print(i+1,'家公司',rows[i][6]) accountant = set() for i in range(n): accountant.add(rows[i][6]) print(len(accountant))
期末考https://chunyuan14.blogspot.com/2026/01/python.html
回覆刪除curly brackets.沒有編輯b和strong標記。https://chunyuan14.blogspot.com/2025/12/python.html
sin cos沒有放在網誌。https://chunyuan14.blogspot.com/2025/12/javascriptvs-code.html
1124.https://chunyuan14.blogspot.com/2025/11/pythontkinterreturn.html