code: def __init__(self, item=None, support=1):
      # 'Value' of the item
      self.item = item
      # Number of times the item occurs in a
      # transaction
      self.support = support
      # Child nodes in the FP Growth Tree
      self.children = {}
  
file_path: ML-From-Scratch/mlfromscratch/unsupervised_learning/fp_growth.py
imports: from __future__ import division, print_function
  import numpy
  import itertools
label_desc: Use image node_id 1 to create a new FPTreeNode object  with example: obj = FPTreeNode(item, support)