code: def get_firewalls(self):
          
  
          mask = ('firewallNetworkComponents,'
                  'networkVlanFirewall,'
                  'dedicatedFirewallFlag,'
                  'firewallGuestNetworkComponents,'
                  'firewallInterfaces,'
                  'firewallRules,'
                  'highAvailabilityFirewallFlag')
  
          return [firewall
                  for firewall in self.account.getNetworkVlans(mask=mask)
                  if has_firewall(firewall)]
docs: Returns a list of all firewalls on the account.
  
          :returns: A list of firewalls on the current account.