as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
create a data representation of a tree.
user
tree = { 
  'root': { 
    'children': [ 
      { 
        'children': [ 
          {'value': 'leaf 1'}, 
          {'value': 'leaf 2'} 
        ], 
        'value': 'branch 1'
      }, 
      { 
        'children': [ 
          {'value': 'leaf 3'}, 
          {'value': 'leaf 4'}
        ], 
        'value': 'branch 2' 
      } 
    ], 
    'value': 'root' 
  } 
}
assistant