# HW#4
# Comparative Analysis of Two Corpora:
# EFL Writing by Bulgarian and Japanese Students
# Part A: Induce a vocabulary frequency ranking from the Brown Corpus

import pickle

# [STEP 1] Read in brown_freq.txt file.
# Process it to build a frequency dictionary called brown_freq. 
# YOUR CODE BELOW:

brown_freq = {}


# [STEP 2a] Complete getRank() function. Study the hints. 

def getRank(freq) :
    """Takes a dictionary, likely a frequency dictionary, returns another
    dictionary where the value is the rank in the order of decreasing value."""
    rank = {}
    # YOUR CODE BELOW:

    return rank


# [STEP 2b] Produce brown_vocab_rank by feeding brown_freq into getRank().
# UNCOMMENT THE LINE BELOW:
# brown_vocab_rank = getRank(brown_freq)


# [STEP 3] Pickle brown_vocab_rank. Use the binary protocol.
# YOUR CODE BELOW: