code: 
  
  def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					str    ):
  
  
  
       '''simple docstring'''
  
  
  
  
  
       return -num if num < 0 else num
  
  def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					List[str]    ):
  
  
  
       '''simple docstring'''
  
  
  
  
  
       if len(SCREAMING_SNAKE_CASE_    ) == 0:
            raise ValueError('abs_min() arg is an empty sequence'    )
       lowercase__					:     Union[str, Any]   = x[0]
       for i in x:
            if abs_val(SCREAMING_SNAKE_CASE_    ) < abs_val(SCREAMING_SNAKE_CASE_    ):
                 lowercase__					:     List[Any]   = i
       return j
  
  def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					List[str]    ):
  
  
  
       '''simple docstring'''
  
  
  
  
  
       if len(SCREAMING_SNAKE_CASE_    ) == 0:
            raise ValueError('abs_max() arg is an empty sequence'    )
       lowercase__					:     str   = x[0]
       for i in x:
            if abs(SCREAMING_SNAKE_CASE_    ) > abs(SCREAMING_SNAKE_CASE_    ):
                 lowercase__					:     Dict   = i
       return j
  
  def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					Union[str, Any]    ):
  
  
  
       '''simple docstring'''
  
  
  
  
  
       if len(SCREAMING_SNAKE_CASE_    ) == 0:
            raise ValueError('abs_max_sort() arg is an empty sequence'    )
       return sorted(SCREAMING_SNAKE_CASE_			,  key=SCREAMING_SNAKE_CASE_    )[-1]
  
  def 			snake_case__    (					):
  
  
  
       '''simple docstring'''
  
  
  
  
  
       assert abs_val(0    ) == 0
       assert abs_val(34    ) == 34
       assert abs_val(-100_000_000_000    ) == 100_000_000_000
  
       lowercase__					:     List[Any]   = [-3, -1, 2, -11]
       assert abs_max(SCREAMING_SNAKE_CASE_    ) == -11
       assert abs_max_sort(SCREAMING_SNAKE_CASE_    ) == -11
       assert abs_min(SCREAMING_SNAKE_CASE_    ) == -1
  
  
  if __name__ == "__main__":
    import doctest
  
    doctest.testmod()
  
    test_abs_val()
    print(abs_val(-34))  # --> 34
  
  
style_context: 
  
  from __future__ import annotations
  
  
  class    SCREAMING_SNAKE_CASE__      :
  
  
  
  
  
      def __init__(   self		,     a = 0):
           lowercase__					:     int   = value
           lowercase__					:     Node | None   = None
           lowercase__					:     Node | None   = None
  
  
  
  def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					Node | None			,  SCREAMING_SNAKE_CASE_	:					Node | None    ):
  
  
  
       '''simple docstring'''
  
  
  
  
  
       if treea is None:
            return treea
       if treea is None:
            return treea
  
       lowercase__					:     Optional[Any]   = treea.value + treea.value
       lowercase__					:     Union[str, Any]   = merge_two_binary_trees(treea.left			,  treea.left    )
       lowercase__					:     Optional[Any]   = merge_two_binary_trees(treea.right			,  treea.right    )
       return treea
  
  def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					Node | None    ):
  
  
  
       '''simple docstring'''
  
  
  
  
  
       if root:
            print(root.value    )
            print_preorder(root.left    )
            print_preorder(root.right    )
  
  
  if __name__ == "__main__":
         snake_case_    						=				Node(1)
         snake_case_    						=				Node(2)
         snake_case_    						=				Node(3)
         snake_case_    						=				Node(4)
  
         snake_case_    						=				Node(2)
         snake_case_    						=				Node(4)
         snake_case_    						=				Node(6)
         snake_case_    						=				Node(9)
         snake_case_    						=				Node(5)
  
         print('''Tree1 is: ''')
         print_preorder(treea)
         print('''Tree2 is: ''')
         print_preorder(treea)
         snake_case_    						=				merge_two_binary_trees(treea, treea)
         print('''Merged Tree is: ''')
         print_preorder(merged_tree)
  
  