/*def myassert(cond : => Boolean) = {+− try {+− assert(cond)+− } catch { +− case _ : Throwable => System.exit(1)+− }+− }+− */+− +− assert(CW6b.get_january_data("GOOG", 1980) == List())+− assert(CW6b.get_january_data("GOOG", 2010).head == "2010-01-04,312.204773")+− +−