human
Solve the following python programming problem given the following code:
# Code to check if authorized to access Earth Engine.
import cStringIO
import os
import urllib

def isAuthorized():
  try:
    ee.Initialize()
    return True
  except:
    return False

form_item_layout = ipywidgets.Layout(width="100%", align_items='center')
  
if isAuthorized():
  
  def revoke_credentials(sender):
    credentials = ee.oauth.get_credentials_path()
    if os.path.exists(credentials):
      os.remove(credentials)
    print('Credentials have been revoked.')
  
  # Define widgets that may be displayed.
  auth_status_button = ipywidgets.Button(
    layout=form_item_layout,
    disabled = True,
    description = 'The server is authorized to access Earth Engine',
    button_style = 'success',
    icon = 'check'
  )
  
  instructions = ipywidgets.Button(
    layout=form_item_layout,
    description = 'Click here to revoke authorization',
    button_style = 'danger',
    disabled = False,
  )
  instructions.on_click(revoke_credentials)

else:
  
  def save_credentials(sender):
    try:
      token = ee.oauth.request_token(get_auth_textbox.value.strip())
    except Exception as e:
      print(e)
      return
    ee.oauth.write_token(token)
    get_auth_textbox.value = ''  # Clear the textbox.
    print('Successfully saved authorization token.')

  # Define widgets that may be displayed.
  get_auth_textbox = ipywidgets.Text(
    placeholder='Paste authorization code here',
    description='Authentication Code:'
  )
  get_auth_textbox.on_submit(save_credentials)

  auth_status_button = ipywidgets.Button(
    layout=form_item_layout,
    button_style = 'danger',
    description = 'The server is not authorized to access Earth Engine',
    disabled = True
  )
  
  instructions = ipywidgets.VBox(
    [
      ipywidgets.HTML(
        'Click on the link below to start the authentication and authorization process. '
        'Once you have received an authorization code, paste it in the box below and press return.'
      ),
      ipywidgets.HTML(
        '<a href="{url}" target="auth">Open Authentication...
Given the above code, generate some markdown instructions for it.
assistant
#Here is the Python code you requested.

Finally, check if the notebook server is authorized to access the Earth Engine backend servers.