PYTHON

Heavy non-venomous snake (6)

Solution has appeared in 3 crosswords (1 across and 2 down):

• Quick crossword No 16,182 — 2022-03-19 00:00:11
  16D: Dragon killed by Apollo at Delphi (6)
• Quick crossword No 16,004 — 2021-08-22 23:00:48
  4D: Snake (called Monty?) (6)
• Quick crossword No 15,245 — 2019-03-19 00:00:01
  14A: Heavy non-venomous snake (6)