






from __future__ import annotations







class  _lowercase   :
      def __init__(     self				,			a=None   ):
       snake_case__  :    List[Any]							       =data
       snake_case__  :    int							       =None



      def __repr__(     self   ):
       snake_case__  :    Dict							       =[]
       snake_case__  :    List[str]							       =self
       while temp:
        string_rep.append(F"{temp.data}"   )
        snake_case__  :    Tuple							       =temp.next
       return "->".join(a   )







def 			A__							(      _a  :					list	):





 '''simple docstring'''







 if not elements_list:
  raise Exception("""The Elements List is empty"""	)

 snake_case__  :    Optional[int]							       =Node(elements_list[0]	)
 for i in range(1		,  len(_a	)	):
  snake_case__  :    str							       =Node(elements_list[i]	)
  snake_case__  :    Optional[Any]							       =current.next
 return head







def 			A__							(      _a  :					Node	):





 '''simple docstring'''







 if head_node is not None and isinstance(_a		,  _a	):
  print_reverse(head_node.next	)
  print(head_node.data	)







def 			A__							(      ):





 '''simple docstring'''







 from doctest import testmod

 testmod()

 snake_case__  :    List[Any]							       =make_linked_list([14, 52, 14, 12, 43]	)
 print("""Linked List:"""	)
 print(_a	)
 print("""Elements in Reverse:"""	)
 print_reverse(_a	)


if __name__ == "__main__":
       main()













__lowerCamelCase	:		dict[str, float]										=   {
    "km/h": 1.0,
    "m/s": 3.6,
    "mph": 1.60_93_44,
    "knot": 1.8_52,
}

__lowerCamelCase	:		dict[str, float]										=   {
    "km/h": 1.0,
    "m/s": 0.2_77_77_77_78,
    "mph": 0.6_21_37_11_92,
    "knot": 0.5_39_95_68_03,
}







def 			A__							(      _a  :					float		,  _a  :					str		,  _a  :					str	):





 '''simple docstring'''







 if unit_to not in speed_chart or unit_from not in speed_chart_inverse:
  snake_case__  :    Tuple							       =(
      f"Incorrect 'from_type' or 'to_type' value: {unit_from!r}, {unit_to!r}\n"
      f"Valid values are: {', '.join(_a	)}"
  )
  raise ValueError(_a	)
 return round(speed * speed_chart[unit_from] * speed_chart_inverse[unit_to]		,  3	)


if __name__ == "__main__":
       import doctest

       doctest.testmod()





