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我的目錄列表看起來像這樣:添加元素
['000000000000012', 'AUD ', ' -1500000.0000', '29473550', 'TD CASH', 'Currencies', 'Unsettled Transactions', 'Unsettled']
['000000000000012', 'BRL ', ' 6070.5400', ' ', 'TD CASH', 'Beginning Balance', 'Positions', 'Settled']
['000000000000012', 'MXN ', ' 19524996.5400', ' ', 'TD CASH', 'Beginning Balance', 'Positions', 'Settled']
['000000000000012', 'USD ', ' 9937.92', '29473153', 'TD CASH', 'Sales', 'Unsettled Transactions', 'Unsettled']
['000000000000012', 'USD ', ' 9937.92', '29473155', 'TD CASH', 'Sales', 'Unsettled Transactions', 'Unsettled']
['000000000000012', 'USD ', ' 100252.78', '29473080', 'TD CASH', 'Sales', 'Unsettled Transactions', 'Unsettled']
['000000000000012', 'USD ', ' 105306.94', '29473142', 'TD CASH', 'Sales', 'Unsettled Transactions', 'Unsettled']
從本質上講,我想執行在當前和下一行正在檢查邏輯基於匹配元素。因此,如果currentRow [0] == nextRow [0] AND currentRow [1] == nextRow [1] THEN總結currentRow [2]和nextRow [2]。
如果沒有匹配,那麼就返回該行,像這樣:
['000000000000012', 'AUD ', ' -1500000.0000']
['000000000000012', 'BRL ', ' 6070.5400']
['000000000000012', 'MXN ', ' 19524996.5400']
['000000000000012', 'USD ', ' 225435.56'] <=== this row is summed
名單列表已經排序的話,我可以想象,這使生活更輕鬆。結果輸出可以附加到列表中,但格式不一定要,因爲我總是可以在出站端重新應用它。對於笑,這是我到目前爲止有:
prevAcct = None
prevCurr = None
finalSum = 0
for row in max:
if(str(row[0]).strip() == prevAcct and str(row[1]).strip() == prevCurr):
#print row[0]
#print row[1]
finalAcct = str(row[0]).strip()
finalSum = eval(row[1]) + eval(finalSum)
else:
print "Setting new account and currency!"
prevAcct = row[0]
prevCurr = row[1]
print "DEBUG: " + prevAcct + " and " + prevCurr
我花了一點時間就這個問題和它的竊聽的廢話了我。任何幫助將不勝感激。