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cws/cw01.tex
changeset 197 c3e39fdeea3b
parent 196 c50b074b3047
child 199 54befaf23648
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196:c50b074b3047 197:c3e39fdeea3b 
   269   with the given year (each line in the CSV-list is of the form
 
   269   with the given year (each line in the CSV-list is of the form
 
   270   \texttt{year-01-someday,someprice}).
 
   270   \texttt{year-01-someday,someprice}).
 
   271 
   271 
   272 \item[(1.b)] Write a function \texttt{get\_first\_price} that takes
 
   272 \item[(1.b)] Write a function \texttt{get\_first\_price} that takes
 
   273   again a stock symbol and a year as arguments. It should return the
 
   273   again a stock symbol and a year as arguments. It should return the
 
   274   first January price for the stock symbol in given the year. For this
 
   274   first January price for the stock symbol in the given year. For this
 
   275   it uses the list of strings generated by
 
   275   it uses the list of strings generated by
 
   276   \texttt{get\_january\_data}.  A problem is that normally a stock
 
   276   \texttt{get\_january\_data}.  A problem is that normally a stock
 
   277   exchange is not open on 1st of January, but depending on the day of
 
   277   exchange is not open on 1st of January, but depending on the day of
 
   278   the week on a later day (maybe 3rd or 4th). The easiest way to solve
 
   278   the week on a later day (maybe 3rd or 4th). The easiest way to solve
 
   279   this problem is to obtain the whole January data for a stock symbol
 
   279   this problem is to obtain the whole January data for a stock symbol
pep-material