sort_submissions.py

import os
import subprocess

filenames = os.listdir('.')
for filename in filenames:
    name = filename.split('_')[0]
    if not os.path.exists(name):
        os.makedirs(name)
    os.rename(filename, os.path.join(name, filename))
    if filename.endswith('zip'):
        subprocess.call(['unzip', os.path.join(name, filename), '-d', name])

for base, dirs, files in os.walk('.'):
    for filename in files:
        if filename.endswith('ipynb'):
            subprocess.call(['jupyter', 'nbconvert', os.path.join(base, filename), '--to', 'pdf'])