code: def main():
      print(__doc__)
      coeffs = zetac_series(10)
      coeffs = [
          mpmath.nstr(x, 20, min_fixed=0, max_fixed=0) for x in coeffs
      ]
      print("\n".join(coeffs[::-1]))
  
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types