| 281 |      1 | /*def myassert(cond : => Boolean) = {
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| 268 |      2 |   try {
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|  |      3 |     assert(cond)
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|  |      4 |   } catch { 
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|  |      5 |     case _ : Throwable => System.exit(1)
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|  |      6 |   }
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|  |      7 | }
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| 281 |      8 | */
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|  |      9 | assert(CW6b.get_prices(List("BIDU"), 2004 to 2008) ==
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| 268 |     10 |    List(List(None), List(None), List(Some(6.35)), 
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|  |     11 |         List(Some(12.241)), List(Some(38.188))))
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|  |     12 | 
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|  |     13 | 
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| 281 |     14 | assert(CW6b.get_prices(List("GOOG", "AAPL"), 2010 to 2012) ==
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| 268 |     15 |    List(List(Some(312.204773), Some(26.782711)), 
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|  |     16 |         List(Some(301.0466), Some(41.244694)), 
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|  |     17 |         List(Some(331.462585), Some(51.464207))))
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