diff --git a/programming_and_scripting_for_cybersecurity/exploitation/python_cool_tricks.md b/programming_and_scripting_for_cybersecurity/exploitation/python_cool_tricks.md
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--- a/programming_and_scripting_for_cybersecurity/exploitation/python_cool_tricks.md
+++ b/programming_and_scripting_for_cybersecurity/exploitation/python_cool_tricks.md
@@ -1,5 +1,7 @@
 # Cool Python Tricks
 
+Please do not use Python 2 and work using Python 3. However, I have added a few examples of the old ways of doing these operations in Python 2 for your reference only.
+
 ## Starting a quick web server to serve some files (useful for post exploitation)
 
 ### In Python 2.x