docs: def chunks_to_string(chunks):
      """
      Parameters
      ----------
      chunks : list of strings
          A list of single entities in order
  
      Returns
      -------
      string :
          A LaTeX-parsable string
  
      Examples
      --------
      >>> chunks_to_string(['\\\\sum', '_', 'i', '^', 'n', 'i', '^', '2'])
      '\\\\sum_{i}^{n}i^{2}'
      >>> chunks_to_string(['\\\\sum', '_', '{', 'i', '}', '^', 'n', 'i', '^',
      ...                   '2'])
      '\\\\sum_{i}^{n}i^{2}'
      """
      string = ''
      began_context = False
      context_depth = 0
      context_triggers = ['_', '^']
      for chunk in chunks:
          if began_context and chunk != '{':
              string += '{' + chunk + '}'
              began_context = False
          elif began_context and chunk == '{':
              began_context = False
              string += chunk
          else:
              if chunk in context_triggers:
                  began_context = True
                  context_depth += 1
              string += chunk
      return string