code: def ohlc4(open_, high, low, close, offset=None, **kwargs):
      """Indicator: OHLC4"""
      # Validate Arguments
      open_ = verify_series(open_)
      high = verify_series(high)
      low = verify_series(low)
      close = verify_series(close)
      offset = get_offset(offset)
  
      # Calculate Result
      ohlc4 = 0.25 * (open_ + high + low + close)
  
      # Offset
      if offset != 0:
          ohlc4 = ohlc4.shift(offset)
  
      # Name & Category
      ohlc4.name = "OHLC4"
      ohlc4.category = "overlap"
  
      return ohlc4
  
label_desc: Use image node_id 1 for calling a global function with example usage: ohlc4(open_, high, low, close, offset) and returns: ohlc4