Sample Python Code

samples.py

# This is Readable
>>> nums = []
>>> for i in range(1000):
...     nums.append(random.randint(1, 1000))
...

# This is not readable
num_1 = [random.randint(1, 1000) for i in range(1000)]

# Traditional way of doing things
counts = {}
for i in num:
    if i not in counts:
        counts[i] = 0
    counts[i] += 1

# A little faster ways of doing things
counts = defaultdict(int)
for i in num:
    counts[i] += 1

# Interating over dictionary

# One Way
for key, count in counts.items():
    if count > 1:
        print key, count

# Another Way
for current in names:
    print current, "->", names[current]

# Code Sample to Count Articles by Source
import json
from collections import defaultdict

data = json.loads(open("data.json"))
counts_by_source = defaultdict(int)

for doc in data['response']['docs']:
    counts_by_source[doc['source']] += 1

for store, count in counts_by_source.item():
    print store, count

# Version with Reverse Sorting    
import json
import operator
from collections import defaultdict

data = json.loads(open("data.json").read())
counts_by_source = defaultdict(int)

for current_article in data['response']['docs']:
    counts_by_source[current_article['source']] += 1

for source, count in counts_by_source.items():
    print source, count

print "\n\nSorted\n\n"

counts_by_source_sorted = sorted(
    counts_by_source.items(), 
    key=operator.itemgetter(1),
    reverse=True)

for source, count in counts_by_source_sorted:
    print source, count