| 210 |      1 | 
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|  |      2 | 
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|  |      3 | assert(get_january_data("GOOG", 1980) == List())
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|  |      4 | 
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|  |      5 | assert(get_january_data("GOOG", 2010).head == "2010-01-04,311.349976")
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| 158 |      6 | 
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|  |      7 | 
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|  |      8 | 
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| 210 |      9 | 
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|  |     10 | /*
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| 169 |     11 | assert(CW6c.get_prices(List("BIDU"), 2004 to 2008) == 
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|  |     12 |        List(List(None), List(None), 
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|  |     13 |             List(Some(6.35)), List(Some(12.241)), 
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|  |     14 |             List(Some(38.188))))
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|  |     15 | 
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|  |     16 | 
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|  |     17 | assert(CW6c.get_prices(List("GOOG", "AAPL"), 2010 to 2012) ==
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|  |     18 |        List(List(Some(311.349976), Some(27.505054)), 
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|  |     19 |             List(Some(300.222351), Some(42.357094)), 
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|  |     20 |             List(Some(330.555054), Some(52.852215))))
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| 210 |     21 | */
 |