[問題] for 迴圈取完值,原本zip物件就變空了
做法是讀檔案後,將資料放入一zip物件
zipobj = zip(date2num(r['date']),r['open'],r['close'],r['volume'])
dates = [x[0] for x in zipobj]
volume = [x[3] for x in zipobj]
print dates 後會有資料,但是print volume就會回傳[]
想請問上面for迴圈的做法,會造成原本的zipobj全部清空嗎?
最近開始自學python,這是參考網路上的程式碼,
發現的問題,覺得疑惑…
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