code: def update_load_balancer(access_token, subscription_id, resource_group, lb_name, body):
      '''Updates a load balancer model, i.e. PUT an updated LB body.
  
      Args:
          access_token (str): A valid Azure authentication token.
          subscription_id (str): Azure subscription id.
          resource_group (str): Azure resource group name.
          lb_name (str): Name of the new load balancer.
          body (str): JSON body of an updated load balancer.
  
      Returns:
          HTTP response. Load Balancer JSON body.
      '''
      endpoint = ''.join([get_rm_endpoint(),
                          '/subscriptions/', subscription_id,
                          '/resourceGroups/', resource_group,
                          '/providers/Microsoft.Network/loadBalancers/', lb_name,
                          '?api-version=', NETWORK_API])
      return do_put(endpoint, body, access_tokenf update_load_balancer(access_token, subscription_id, resource_group, lb_name, body):
      '''Updates a load balancer model, i.e. PUT an updated LB body.
  
      Args:
          access_token (str): A valid Azure authentication token.
          subscription_id (str): Azure subscription id.
          resource_group (str): Azure resource group name.
          lb_name (str): Name of the new load balancer.
          body (str): JSON body of an updated load balancer.
  
      Returns:
          HTTP response. Load Balancer JSON body.
      '''
      endpoint = ''.join([get_rm_endpoint(),
                          '/subscriptions/', subscription_id,
                          '/resourceGroups/', resource_group,
                          '/providers/Microsoft.Network/loadBalancers/', lb_name,
                          '?api-version=', NETWORK_API])
      return do_put(endpoint, body, access_token)
docs: Updates a load balancer model, i.e. PUT an updated LB body.
  
      Args:
          access_token (str): A valid Azure authentication token.
          subscription_id (str): Azure subscription id.
          resource_group (str): Azure resource group name.
          lb_name (str): Name of the new load balancer.
          body (str): JSON body of an updated load balancer.
  
      Returns:
          HTTP response. Load Balancer JSON body.