code: def count_scts_in_sct_extension(certificate: cryptography.x509.Certificate) -> Optional[int]:
          
          scts_count = 0
          try:
              # Look for the x509 extension
              sct_ext = certificate.extensions.get_extension_for_oid(
                  ExtensionOID.PRECERT_SIGNED_CERTIFICATE_TIMESTAMPS
              )
  
              if isinstance(sct_ext.value, cryptography.x509.UnrecognizedExtension):
                  # The version of OpenSSL on the system is too old and can't parse the SCT extension
                  return None
  
              # Count the number of entries in the extension
              scts_count = len(sct_ext.value)
          except ExtensionNotFound:
              pass
  
          return scts_count
docs: Return the number of Signed Certificate Timestamps (SCTs) embedded in the certificate.