"""simple docstring"""
from __future__ import annotations







def 		__a  (      _SCREAMING_SNAKE_CASE						,	_SCREAMING_SNAKE_CASE						,	_SCREAMING_SNAKE_CASE						,	)      ->list[float | int]:
  if not all((nth_term, start_term_a, common_ratio_r)  ):
    return []
  a__:	list[float | int]     				=      []
  a__:	Dict     				=      1
  a__:	Tuple     				=      common_ratio_r
  for _ in range(int(_SCREAMING_SNAKE_CASE  )  ):
    if not series:
      series.append(_SCREAMING_SNAKE_CASE  )
    else:
      power += 1
      series.append(float(start_term_a * multiple  )  )
      a__:	Tuple     				=      pow(float(_SCREAMING_SNAKE_CASE  )						,	_SCREAMING_SNAKE_CASE  )
  return series


if __name__ == "__main__":
 import doctest

 doctest.testmod()

 lowercase__   			=      float(input('Enter the last number (n term) of the Geometric Series'))
 lowercase__   			=      float(input('Enter the starting term (a) of the Geometric Series'))
 lowercase__   			=      float(
     input('Enter the common ratio between two terms (r) of the Geometric Series')
 )
 print('Formula of Geometric Series => a + ar + ar^2 ... +ar^n')
 print(geometric_series(nth_term, start_term_a, common_ratio_r))







from __future__ import annotations

class        _A			:



       def __init__(						self				:	str	,						__SCREAMING_SNAKE_CASE				:	int = 0):


           '''simple docstring'''

           __a					=							value
           __a					=							None
           __a					=							None





def 	__snake_case      (     _UpperCAmelCase  ,					_UpperCAmelCase							):
    if treea is None:
        return treea
    if treea is None:
        return treea

    __a					=							treea.value + treea.value
    __a					=							merge_two_binary_trees(treea.left  ,					treea.left							)
    __a					=							merge_two_binary_trees(treea.right  ,					treea.right							)
    return treea





def 	__snake_case      (     _UpperCAmelCase							):
    if root:
        print(root.value							)
        print_preorder(root.left							)
        print_preorder(root.right							)


if __name__ == "__main__":
 __snake_case		:List[Any] 						=	Node(1)
 __snake_case		:Optional[Any] 						=	Node(2)
 __snake_case		:Dict 						=	Node(3)
 __snake_case		:int 						=	Node(4)

 __snake_case		:List[str] 						=	Node(2)
 __snake_case		:List[str] 						=	Node(4)
 __snake_case		:Tuple 						=	Node(6)
 __snake_case		:str 						=	Node(9)
 __snake_case		:List[str] 						=	Node(5)

 print('''Tree1 is: ''')
 print_preorder(treea)
 print('''Tree2 is: ''')
 print_preorder(treea)
 __snake_case		:Union[str, Any] 						=	merge_two_binary_trees(treea, treea)
 print('''Merged Tree is: ''')
 print_preorder(merged_tree)





