Python — Command line

Dear, everyone.
This is fourth step of "HackInScience Python Exercises" series.
I've finished all the command line exercises and share them on my Github.

1. Print parameters
2. Print the first parameter
3. Simple adder
4. Calculator
5. Fir tree

Hope my work would be little bit helpful for python beginners.
To encourage me to continue, please follow me on Github

Best Regards.