code: def short_run(fast, slow, length=None, offset=None, **kwargs):
      """Indicator: Short Run"""
      # Validate Arguments
      length = int(length) if length and length > 0 else 2
      fast = verify_series(fast, length)
      slow = verify_series(slow, length)
      offset = get_offset(offset)
  
      if fast is None or slow is None:
          return
  
      # Calculate Result
      pt = decreasing(fast, length) & increasing(
          slow, length
      )  # potential top or top
      bd = decreasing(fast, length) & decreasing(
          slow, length
      )  # fast and slow are decreasing
      short_run = pt | bd
  
      # Offset
      if offset != 0:
          short_run = short_run.shift(offset)
  
      # Handle fills
      if "fillna" in kwargs:
          short_run.fillna(kwargs["fillna"], inplace=True)
      if "fill_method" in kwargs:
          short_run.fillna(method=kwargs["fill_method"], inplace=True)
  
      # Name and Categorize it
      short_run.name = f"SR_{length}"
      short_run.category = "trend"
  
      return short_run
  
label_desc: Use image node_id 1 for calling a global function with example usage: short_run(fast, slow, length, offset) and returns: short_run