Extracts programming language statistics from our registration data.

language-stats.py

import csv
import glob
from collections import Counter

languages = [
    'Matlab',
    'R',
    'Python',
    'Perl',
    'C',
    'C++',
    'Fortran 77',
    'Fortran 90+',
    'Julia',
    'Haskell',
    'Go',
    ]

counter = Counter()

for file_name in glob.glob('*.csv'):
    with open(file_name) as f:
        reader = csv.DictReader(f)
        for row in reader:
            for language in languages:
                if row[language] == language:
                    counter[language] += 1

print(counter)