text: # __init__.py
  # main interface to sparkdataset module
  
  from .datasets_handler import __print_item_docs, __read_csv, __datasets_desc
  from .support import find_similar
  
  
  def data(item=None, show_doc=False):
      """loads a datasaet (from in-modules datasets) in a dataframe data structure.
  
      Args:
          item (str)      : name of the dataset to load.
          show_doc (bool) : to show the dataset's documentation.
  
      Examples:
  
      >>> iris = data('iris')
  
  
      >>> data('titanic', show_doc=True)
          : returns the dataset's documentation.
  
      >>> data()
          : like help(), returns a dataframe [Item, Title]
          for a list of the available datasets.
      """
  
      if item:
          try:
              if show_doc:
                  __print_item_docs(item)
                  return
  
              df = __read_csv(item)
              return df
          except KeyError:
              find_similar(item)
      else:
          return __datasets_desc()
  
  
  if __name__ == '__main__':
      # Numerical data
      rain = data('rain')
      print(rain)