added first examples of chapter 06: tuples

python_3_oop/chapter06/tuples.py

@@ -0,0 +1,14 @@
+import datetime
+
+
+def middle(stock, date):
+
+    symbol, current, high, low = stock
+    return ((high + low) / 2), date
+
+
+tuple = ("GOOG", 613.30, 625.86, 610.50)
+mid_value, date = middle(tuple, datetime.datetime.now())
+print("middle value: {} at date {}".format(mid_value, date))
+print("high value: {}".format(tuple[2]))
+print(tuple[1:3])