update youtube url

Author: bob7783

numpy_class/classification_example.py

@@ -1,5 +1,6 @@
 # https://deeplearningcourses.com/c/deep-learning-prerequisites-the-numpy-stack-in-python
 # https://www.udemy.com/deep-learning-prerequisites-the-numpy-stack-in-python
+# YouTube direct link: http://bit.ly/2LENC50
 
 from __future__ import print_function, division
 from future.utils import iteritems

numpy_class/regression_example.py

@@ -1,5 +1,6 @@
 # https://deeplearningcourses.com/c/deep-learning-prerequisites-the-numpy-stack-in-python
 # https://www.udemy.com/deep-learning-prerequisites-the-numpy-stack-in-python
+# YouTube direct link: http://bit.ly/2LENC50
 
 # Get the data from:
 # https://archive.ics.uci.edu/ml/datasets/Airfoil+Self-Noise