syllabus keywords in python

syllabus.py

import glob

kw = ['climate', 'decision theory', 'dynamic', 'economics', 'game theory', 'heuristic', 'hydrology',
      'integer', 'linear', 'model', 'nonlinear', 'policy', 'probability', 'statistics', 
      'stochastic','quality']

files = glob.glob('*.txt')
courses_including = {}
avg_count = {}

for k in kw:
  courses_including[k] = 0
  avg_count[k] = 0

  for f in files:
    total = 0
    for line in open(f):
      if k in line.lower():
        if total == 0:
          courses_including[k] += 1
        total += 1

    avg_count[k] += total

  avg_count[k] /= courses_including[k]


for k,v in courses_including.iteritems():
  print '%s,%d,%d' % (k,v,avg_count[k])