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fix both error of issue 739 #756

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Merged
merged 2 commits into from
Oct 12, 2020
Merged

fix both error of issue 739 #756

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b47377d
fix both error of issue 739
Oct 1, 2020
2243df6
Update contents/huffman_encoding/code/python/huffman.py
leios Oct 12, 2020
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8 changes: 7 additions & 1 deletion contents/huffman_encoding/code/python/huffman.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,11 +29,17 @@ def build_huffman_tree(message):
# insert the new tree there
trees.insert(index, (new_tree, new_weight))

huffman_tree = trees[0][0]
# Return an empty list if the message was empty, else the tree
huffman_tree = [] if not trees else trees[0][0]
return huffman_tree

# constructs the mapping with recursion
def build_codebook(tree, code=''):
# Check whether our tree contains more than 1 element or not
if not tree:
return []
elif type(tree) != list:
return [(tree, '0')]

codebook = []

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