code: def frame_name(name, space):
      r"""Get the frame name for the given name and space.
  
      Parameters
      ----------
      name : str
          Group name.
      space : alphapy.Space
          Context or namespace for the given group name.
  
      Returns
      -------
      fname : str
          Frame name.
  
      Examples
      --------
  
      >>> fname = frame_name('tech', Space('stock', 'prices', '1d'))
      # 'tech_stock_prices_1d'
  
      """
      return USEP.join(
          [name, space.subject, space.schema, space.fractal]
      )
  
file_path: AlphaPy/alphapy/frame.py
imports: from alphapy.globals import PSEP, SSEP, USEP
  from alphapy.globals import TAG_ID
  import logging
  import pandas
label_desc: Use image node_id 1 for calling a global function with example usage: frame_name(name, space) and returns: USEP