sh-bang - executable on Linux/Apple

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examples/basics/hello_ex.py

#!/usr/bin/env python

print("Hello World")

• The first line staring with # is needed if you want to have a file that can be executed without explicitly typing in python as well.
• Make your file executable: chmod u+x hello_ex.py
• Run like: ./hello_ex.py
• In order to run it as hello_ex.py in needs to be located in one of the directories listed in the PATH environment variable.