code: def binary(n):
      """converts an int to binary (returned as a string)
      Hence,  int(binary(x), base=2) == x"""
      if n < 0:
          return "-" + binary(-n)
      s = [__oct2bin_lookup[oct] for oct in ("%o" % n)]
      s = "".join(s).lstrip("0")
      return s or "0"
  
label_desc: Use image node_id 1 for calling a global function with example usage: binary(n) and returns: unknown, unknown