code: def tx_serialization_order(provider: Provider, blockhash: str, txid: str) -> int:
      '''find index of this tx in the blockid'''
  
      return provider.getblock(blockhash)["tx"].index(txidf tx_serialization_order(provider: Provider, blockhash: str, txid: str) -> int:
      '''find index of this tx in the blockid'''
  
      return provider.getblock(blockhash)["tx"].index(txid)
docs: find index of this tx in the blockid