





from __future__ import annotations





class 	lowerCAmelCase__:






       '''simple docstring'''


       def __init__(					self			,  __lowerCamelCase = 0							)	->   None:
            _SCREAMING_SNAKE_CASE				:		Any  			=							value
            _SCREAMING_SNAKE_CASE				:		Node | None  			=							None
            _SCREAMING_SNAKE_CASE				:		Node | None  			=							None






def 			lowerCamelCase__	(__lowerCamelCase,				__lowerCamelCase		):
     if treea is None:
          return treea
     if treea is None:
          return treea

     _SCREAMING_SNAKE_CASE				:		str  			=							treea.value + treea.value
     _SCREAMING_SNAKE_CASE				:		str  			=							merge_two_binary_trees(treea.left,				treea.left		)
     _SCREAMING_SNAKE_CASE				:		Optional[Any]  			=							merge_two_binary_trees(treea.right,				treea.right		)
     return treea






def 			lowerCamelCase__	(__lowerCamelCase		):
     if root:
          print(root.value		)
          print_preorder(root.left		)
          print_preorder(root.right		)


if __name__ == "__main__":
       UpperCamelCase__          =Node(1)
       UpperCamelCase__          =Node(2)
       UpperCamelCase__          =Node(3)
       UpperCamelCase__          =Node(4)

       UpperCamelCase__          =Node(2)
       UpperCamelCase__          =Node(4)
       UpperCamelCase__          =Node(6)
       UpperCamelCase__          =Node(9)
       UpperCamelCase__          =Node(5)

       print('Tree1 is: ')
       print_preorder(treea)
       print('Tree2 is: ')
       print_preorder(treea)
       UpperCamelCase__          =merge_two_binary_trees(treea, treea)
       print('Merged Tree is: ')
       print_preorder(merged_tree)
"""simple docstring"""


def 			lowerCamelCase_ (					__lowerCAmelCase				)							->					str:




						'''simple docstring'''



						lowerCamelCase__					=1
						lowerCamelCase__					=0
						lowerCamelCase__					=1
						lowerCamelCase__					=1
						lowerCamelCase__					=3
						lowerCamelCase__					=3
						lowerCamelCase__					=limit
						lowerCamelCase__					=0

						lowerCamelCase__					=""
						while counter != decimal + 1:
												if 4 * q + r - t < n * t:
																		result += str(__lowerCAmelCase				)
																		if counter == 0:
																								result += "."

																		if decimal == counter:
																								break

																		counter += 1
																		lowerCamelCase__					=10 * (r - n * t)
																		lowerCamelCase__					=((10 * (3 * q + r)) // t) - 10 * n
																		q *= 10
																		lowerCamelCase__					=nr
												else:
																		lowerCamelCase__					=(2 * q + r) * l
																		lowerCamelCase__					=(q * (7 * k) + 2 + (r * l)) // (t * l)
																		q *= k
																		t *= l
																		l += 2
																		k += 1
																		lowerCamelCase__					=nn
																		lowerCamelCase__					=nr
						return result





def 			lowerCamelCase_ (					)							->					None:




						'''simple docstring'''



						print(F'''{calculate_pi(50				) = }'''				)
						import doctest

						doctest.testmod()


if __name__ == "__main__":
	main()


