code: def calc_hash(a, b):
      max_int = 0xFFFFFFFFFFFFFFFF
      MAGIC_MULT = 0x4906BA494954CB65
      return (MAGIC_MULT * ((a + MAGIC_MULT * b) & max_int)) & max_int
  
label_desc: Use image node_id 1 for calling a global function with example usage: calc_hash(a, b) and returns: unknown