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我工作的一個簡單的數學解算,我創建了一個目錄,其中用戶的輸入,將存儲:目錄數學錯誤與[I]
data = {
'name': {1: '', 2: '', 3: '', 4: '', 5: '', 6: '', 7: ''},
'quantity': {1: 1, 2: 1, 3: 1, 4: 1, 5: 1, 6: 1, 7: 1},
'soldin': {1: 1, 2: 1, 3: 1, 4: 1, 5: 1, 6: 1, 7: 1},
'price': {1: 1, 2: 1, 3: 1, 4: 1, 5: 1, 6: 1, 7: 1},
'yld': {1: 1, 2: 1, 3: 1, 4: 1, 5: 1, 6: 1, 7: 1},
'apc': {1: 1, 2: 1, 3: 1, 4: 1, 5: 1, 6: 1, 7: 1},
'epc': {1: 1, 2: 1, 3: 1, 4: 1, 5: 1, 6: 1, 7: 1},
'exc': {1: 0, 2: 0, 3: 0, 4: 0, 5: 0, 6: 0, 7: 0}
}
我也有這將解決問題的問題的代碼(第i是基於有多少數據的程序中設置設置輸入的用戶):
i = 2
while(i >=0):
first = data['soldin'][i]
second = data['price'][i]
apco = float(data[first][i])/float(doug)
epco = apco/data['yld'][i]
i = i - i
但是,它提供了以下錯誤:
Traceback (most recent call last):
File "python", line 31, in <module>
KeyError: 0
您的字典沒有關鍵字'0'的條目,它們都從'1'開始。所以也許你應該只在'我> 0'時循環。 – 2016-11-18 15:21:04
同意。投票結束爲錯字 –
錯誤消息相當具體。你研究了'KeyError'的含義嗎? –