Convert Jupyter notebooks to Python scripts without the need to install jupyter.

Jupyter2Python.py

import sys,json

f = open(sys.argv[1], 'r', encoding="utf8") #input.ipynb
j = json.load(f)
of = open(sys.argv[2], 'w', encoding="utf8") #output.py
if j["nbformat"] >=4:
    for i,cell in enumerate(j["cells"]):
        of.write("#cell "+str(i)+"\n")
        for line in cell["source"]:
            of.write(line)
        of.write('\n\n')
else:
    for i,cell in enumerate(j["worksheets"][0]["cells"]):
        of.write("#cell "+str(i)+"\n")
        for line in cell["input"]:
                of.write(line)
        of.write('\n\n')

of.close()