huffmantree.py has many error, so it's useless

[vmailhot]

huffmantree.py has many syntax and logical error, I suggest to remove the file.

Does someone think the same thing?

[jackson-dahl42]

Hello vmailhot, I tried fixing the code in the file.

from heapq import heapify as hpf
from heapq import heappop as hpp
from heapq import heappush as hppu

class Node:
def init(self, ch, freq, left=None, right=None):
self.ch, self.freq = ch, freq
self.left, self.right = left, right
def lt(self, other):
return self.freq < other.freq

def getHuffmanTree(txt):
if len(txt) == 0:
return
freq = {ch: txt.count(ch) for ch in set(txt)}
pq = [Node(k, v) for k, v in freq.items()]
hpf(pq)
while len(pq) > 1:
left, right = hpp(pq), hpp(pq)
newFreq = left.freq + right.freq
hppu(pq, Node(None, newFreq, left, right))
root = pq[0]
return root

def printTree(node, level=0, prefix=''):
if node is not None:
print(' ' * level + prefix + str(node.freq))
if node.left is not None or node.right is not None:
printTree(node.left, level + 1)
printTree(node.right, level + 1)

root = getHuffmanTree("hello world")
printTree(root)