You can easily convert

filename.ipynb

into a Python file (filename.py) using this command:

jupyter nbconvert --to python --execute filename.ipynb 

but why not take advantage of the IPython command line? With a single command, you can effortlessly run your Jupyter Notebook without needing to convert it. Simply use the following command:

ipython filename.ipynb

IPython provides a wide range of features to help you improve the process's efficiency. Visit the official IPython documentation to find all that it can do.