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POconstruct and order a list of tuples
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11450513
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11450581
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2012-07-12T11:07:08.247
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2012-07-13T12:26:58.667
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text
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Data format in a text, <pre><code>2010-04-16,9:15:00,3450,3488,3450,3470 </code></pre> Parse the text, <pre><code>Utuple = collections.namedtuple('Utuple', 'DT,OpenPrice,ClosePrice,HighPrice,LowPrice') stats = collections.Counter() for line in data.readlines(): cols = line.split(',') Date = cols[0] d = Date.split('-') Time = cols[1] t = Time.split(':') DT = datetime(int(d[0]), int(d[1]), int(d[2]), int(t[0]), int(t[1]), int(t[2])) DT = mdates.date2num(DT) OpenPrice = float(cols[2]) HighPrice = float(cols[3]) LowPrice = float(cols[4]) ClosePrice = float(cols[5]) stats[DT] = Utuple(DT,OpenPrice,ClosePrice,HighPrice,LowPrice) </code></pre> I want to get a list of tuples to fit the format of <code>candlesticks</code> in matplotlib.finance, which is expected to be <pre><code> D = [(datetime.datetime(2010, 4, 16, 9, 30), 311, 332, 344, 311), (datetime.datetime(2010, 4, 16, 9, 31), 312, 332, 344, 311), (datetime.datetime(2010, 4, 16, 9, 32), 323, 332, 344, 320), (datetime.datetime(2010, 4, 16, 13, 0), 331, 332, 344, 330), (datetime.datetime(2010, 4, 16, 13, 1), 335, 342, 348, 333)] </code></pre> and I did: <pre><code>formated_data = [] for time, index in stats.items(): formated_data.append(tuple(index)) </code></pre> I want to keep this order. But in <code>formated_data</code>, it turns out that the lines with <code>13</code> in the fourth column in datetime.datetime end up in the front of those with <code>9</code>. How to keep the order of the tuples <code>by the order that I save them</code> or by <code>the value of the number (9 < 13)</code>?
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<python><matplotlib><tuples>
Title
construct and order a list of tuples
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