add gputest script

gputest.py

@@ -0,0 +1,12 @@
+from distutils.version import LooseVersion
+import warnings
+import tensorflow as tf
+
+# Check tensorflow version
+print(f'Tensorflow version: {tf.__version__}')
+
+# Check for GPU
+if not tf.test.gpu_device_name():
+        warnings.warn('No GPU found')
+else:
+     	print(f'Default GPU device: {tf.test.gpu_device_name()}')