code: 
  
  from collections import Counter
  from functools import total_ordering
  
  from data_structures.heap.heap import Heap
  
  
  
  
  
  
  @total_ordering
  class    __A				:
  
  
  
  
  
  
      def __init__(	self			:    str    ,				UpperCAmelCase_			:    Tuple    ,				UpperCAmelCase_			:    Optional[Any]    ):
          lowerCAmelCase				:			Any    			=      word
          lowerCAmelCase				:			Any    			=      count
  
  
  
  
  
  
      def __eq__(	self			:    List[Any]    ,				UpperCAmelCase_			:    Tuple    ):
  
  
  
  
  
  
  
          if not isinstance(__A    ,				__A    ):
              return NotImplemented
          return self.count == other.count
  
  
  
  
  
  
      def __lt__(	self			:    str    ,				UpperCAmelCase_			:    str    ):
  
  
  
  
  
  
  
          if not isinstance(__A    ,				__A    ):
              return NotImplemented
          return self.count < other.count
  
  
  
  def 		SCREAMING_SNAKE_CASE__				(							_UpperCAmelCase,      _UpperCAmelCase				)					-> list[str]:
  
  
  
      '''simple docstring'''
  
  
  
  
  
  
      lowerCAmelCase				:			Heap[WordCount]    			=      Heap()
      lowerCAmelCase				:			int    			=      Counter(_UpperCAmelCase				)
      heap.build_max_heap(
          [WordCount(_UpperCAmelCase,      _UpperCAmelCase				) for word, count in count_by_word.items()]				)
      return [heap.extract_max().word for _ in range(min(_UpperCAmelCase,      len(_UpperCAmelCase				)				)				)]
  
  
  if __name__ == "__main__":
   import doctest
  
   doctest.testmod()
  
  
  
  
  
  
style_context: 
  
  from __future__ import annotations
  def 		SCREAMING_SNAKE_CASE__				(							_UpperCAmelCase				)					-> set[int]:
  
  
  
      '''simple docstring'''
  
  
  
  
  
  
      lowerCAmelCase				:			List[str]    			=      {1}
      lowerCAmelCase				:			int    			=      [1]
      for _ in range(2,      depth + 1				):
          lowerCAmelCase				:			str    			=      [*previous_coefficients, 0]
          lowerCAmelCase				:			Optional[int]    			=      [0, *previous_coefficients]
          lowerCAmelCase				:			Tuple    			=      []
          for x, y in zip(_UpperCAmelCase,      _UpperCAmelCase				):
              coefficients.add(x + y				)
              previous_coefficients.append(x + y				)
      return coefficients
  def 		SCREAMING_SNAKE_CASE__				(							_UpperCAmelCase				)					-> set[int]:
  
  
  
      '''simple docstring'''
  
  
  
  
  
  
      lowerCAmelCase				:			str    			=      set()
      for number in unique_coefficients:
          lowerCAmelCase				:			Dict    			=      2
          lowerCAmelCase				:			Tuple    			=      number
          while divisor**2 <= copy_number:
              lowerCAmelCase				:			List[str]    			=      0
              while copy_number % divisor == 0:
                  copy_number //= divisor
                  multiplicity += 1
              if multiplicity >= 2:
                  non_squarefrees.add(_UpperCAmelCase				)
                  break
              divisor += 1
  
      return unique_coefficients.difference(_UpperCAmelCase				)
  def 		SCREAMING_SNAKE_CASE__				(							_UpperCAmelCase = 51				)					-> int:
  
  
  
      '''simple docstring'''
  
  
  
  
  
  
      lowerCAmelCase				:			int    			=      get_pascal_triangle_unique_coefficients(_UpperCAmelCase				)
      lowerCAmelCase				:			Optional[int]    			=      get_squarefrees(_UpperCAmelCase				)
      return sum(_UpperCAmelCase				)
  
  
  if __name__ == "__main__":
   print(F'{solution() = }')
  
  
  
  
  
  