code: def header_zone() -> ui.Zone:
      """Returns the header zone"""
  
      zone = ui.zone(
          "header",
          size="80px",
      )
  
      return zone
  
imports: from typing import List, Optional
  from h2o_wave import ui
label_desc: Use image node_id 1 for calling a global function with example usage: header_zone() and returns: zone