diff --git a/xarray_tutorial/parallelize.py b/xarray_tutorial/parallelize.py
new file mode 100644
index 0000000..7576a69
--- /dev/null
+++ b/xarray_tutorial/parallelize.py
@@ -0,0 +1,28 @@
+import time
+import multiprocessing 
+
+def basic_func(x):
+    if x == 0:
+        return 'zero'
+    elif x%2 == 0:
+        return 'even'
+    else:
+        return 'odd'
+
+def multiprocessing_func(x):
+    y = x*x
+    time.sleep(2)
+    print('{} squared results in a/an {} number'.format(x, basic_func(y)))
+    
+if __name__ == '__main__':
+    starttime = time.time()
+    processes = []
+    for i in range(0,10):
+        p = multiprocessing.Process(target=multiprocessing_func, args=(i,))
+        processes.append(p)
+        p.start()
+        
+    for process in processes:
+        process.join()
+        
+    print('That took {} seconds'.format(time.time() - starttime))