


'''simple docstring'''




from __future__ import annotations

from typing import Generic, TypeVar

__lowercase	:   Dict   		=					TypeVar("""T""")





class _snake_case (			Generic[T] ):
							"""simple docstring"""





							def __init__( self      ,					__A						)  ->List[Any]:



											"""simple docstring"""







											__lowerCamelCase		:   Union[str, Any]           =       data  # Assign data
											__lowerCamelCase		:   Node[T] | None           =       None  # Initialize next as null
											__lowerCamelCase		:   Node[T] | None           =       None  # Initialize prev as null





class _snake_case (			Generic[T] ):
							"""simple docstring"""





							def __init__( self						)  ->None:



											"""simple docstring"""







											__lowerCamelCase		:   Node[T] | None           =       None







							def 		__SCREAMING_SNAKE_CASE( self      ,					__A						)  ->None:



											"""simple docstring"""







											if self.head is None:
															__lowerCamelCase		:   List[str]           =       Node(__A						)
											else:
															__lowerCamelCase		:   Dict           =       Node(__A						)
															__lowerCamelCase		:   str           =       new_node
															__lowerCamelCase		:   str           =       self.head
															__lowerCamelCase		:   str           =       None
															__lowerCamelCase		:   Union[str, Any]           =       new_node







							def 		__SCREAMING_SNAKE_CASE( self						)  ->T | None:



											"""simple docstring"""







											if self.head is None:
															return None
											else:
															assert self.head is not None
															__lowerCamelCase		:   List[str]           =       self.head.data
															__lowerCamelCase		:   Dict           =       self.head.next
															if self.head is not None:
																			__lowerCamelCase		:   List[Any]           =       None
															return temp







							def 		__SCREAMING_SNAKE_CASE( self						)  ->T | None:



											"""simple docstring"""







											return self.head.data if self.head is not None else None







							def __len__( self						)  ->int:



											"""simple docstring"""







											__lowerCamelCase		:   Dict           =       self.head
											__lowerCamelCase		:   Optional[Any]           =       0
											while temp is not None:
															count += 1
															__lowerCamelCase		:   int           =       temp.next
											return count







							def 		__SCREAMING_SNAKE_CASE( self						)  ->bool:



											"""simple docstring"""







											return self.head is None







							def 		__SCREAMING_SNAKE_CASE( self						)  ->None:



											"""simple docstring"""







											print("stack elements are:"						)
											__lowerCamelCase		:   str           =       self.head
											while temp is not None:
															print(temp.data      ,					end="->"						)
															__lowerCamelCase		:   Any           =       temp.next


# Code execution starts here
if __name__ == "__main__":
				# Start with the empty stack
				__lowercase	:   Stack[int]   		=					Stack()

				# Insert 4 at the beginning. So stack becomes 4->None
				print("""Stack operations using Doubly LinkedList""")
				stack.push(4)

				# Insert 5 at the beginning. So stack becomes 4->5->None
				stack.push(5)

				# Insert 6 at the beginning. So stack becomes 4->5->6->None
				stack.push(6)

				# Insert 7 at the beginning. So stack becomes 4->5->6->7->None
				stack.push(7)

				# Print the stack
				stack.print_stack()

				# Print the top element
				print("""\nTop element is """, stack.top())

				# Print the stack size
				print("""Size of the stack is """, len(stack))

				# pop the top element
				stack.pop()

				# pop the top element
				stack.pop()

				# two elements have now been popped off
				stack.print_stack()

				# Print True if the stack is empty else False
				print("""\nstack is empty:""", stack.is_empty())









'''simple docstring'''




from collections import Counter
from functools import total_ordering

from data_structures.heap.heap import Heap





@total_ordering
class _snake_case :
							"""simple docstring"""





							def __init__( self      ,					__A      ,					__A						)  ->None:



											"""simple docstring"""







											__lowerCamelCase		:   List[Any]           =       word
											__lowerCamelCase		:   Optional[Any]           =       count







							def __eq__( self      ,					__A						)  ->bool:



											"""simple docstring"""







											if not isinstance(__A      ,					__A						):
															return NotImplemented
											return self.count == other.count







							def __lt__( self      ,					__A						)  ->bool:



											"""simple docstring"""







											if not isinstance(__A      ,					__A						):
															return NotImplemented
											return self.count < other.count





def 				a_							(    lowercase				,    lowercase     )      ->list[str]:






				'''simple docstring'''

				__lowerCamelCase		:   Heap[WordCount]           =       Heap()
				__lowerCamelCase		:   int           =       Counter(lowercase     )
				heap.build_max_heap(
				    [WordCount(lowercase				,    lowercase     ) for word, count in count_by_word.items()]     )
				return [heap.extract_max().word for _ in range(min(lowercase				,    len(lowercase     )     )     )]


if __name__ == "__main__":
				import doctest

				doctest.testmod()





