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# Example Huffman coding implementation | |
# Distributions are represented as dictionaries of { 'symbol': probability } | |
# Codes are dictionaries too: { 'symbol': 'codeword' } | |
def huffman(p): | |
'''Return a Huffman code for an ensemble with distribution p.''' | |
assert(sum(p.values()) == 1.0) # Ensure probabilities sum to 1 | |
# Base case of only two symbols, assign 0 or 1 arbitrarily | |
if(len(p) == 2): |