+
−import keyword
+
−f = open('/home/madhu/pyprogs/pytriads.py')
+
−
+
−freq = {}
+
−for line in f:
+
−    words = line.split()
+
−    for word in words:
+
−        key = word.strip(',.!;?()[]: ')
+
−        if keyword.iskeyword(key):
+
−            value = freq.get(key, 1)
+
−            freq[key] = value + 1
+
−
+
−print freq
+
−