analyze

import string

def analyze(file):
	count = {}
	remove = dict.fromkeys(map(ord, string.punctuation))
	f = open(file ,'r')
	f = f.read().lower()
	f = f.translate(remove)
	wordList = f.split()
	for word in wordList:
		if not count.get(word,None):
			count[word] = 1
		else:
			count[word] += 1
	totals = {'mostCommonWords':sorted(count, key=count.get, reverse=True), \
			 'leastCommonWords' : sorted(count, key=count.get), \
			 'shortestWord' :  min(wordList, key=len), \
			 'longestWord' : max(wordList, key=len) }
	return totals