code: def __init__(self):
      # The 'lambda: defaultdict(float)' is an anonymous function taking no
      # arguments that returns a new defaultdict(float).
      self.word_to_count = defaultdict(int)
      self.total_count = 0
  
imports: import argparse
  import math
  import sys
  from collections import defaultdict
label_desc: Use image node_id 1 to create a new CountsForHistory object from inherited base classes: object with example: obj = CountsForHistory()