1st commit

cpu_time.py

@@ -0,0 +1,18 @@
+# sr 10/29/13
+# Calculates elapsed CPU time in seconds as float. 
+
+import time
+
+start_time = time.clock()
+
+i = 0
+while i < 10000000:
+    i += 1
+
+elapsed_time = time.clock() - start_time
+print "Time elapsed: {} seconds".format(elapsed_time)
+
+# prints "Time elapsed: 1.06 seconds"
+#        on 4 x 2.80 Ghz Intel Xeon, 6 Gb RAM
+
+

pickle_module.py

@@ -0,0 +1,23 @@
+# sr 10/29/13
+# The pickle module converts Python objects into byte streams
+# to save them as a file on your drive for re-use.
+#
+# module documentation http://docs.python.org/2/library/pickle.html
+
+import pickle
+
+#### Generate some object
+my_dict = dict()
+for i in range(1,1000):
+    my_dict[i] = "some text"
+
+#### Save object to file
+pickle_out = open('my_file.pkl', 'wb')
+pickle.dump(my_dict, pickle_out)
+pickle_out.close()
+
+#### Load object from file
+my_object_file = open('my_file.pkl', 'rb')
+my_dict = pickle.load(my_object_file)
+my_object_file.close()
+