code: def get(ctx, key):
      '''Retrieve the value for the given key.'''
      file = ctx.obj['FILE']
      stored_value = get_key(file, key)
      if stored_value:
          click.echo('%s=%s' % (key, stored_value))
      else:
          exit(1f get(ctx, key):
      '''Retrieve the value for the given key.'''
      file = ctx.obj['FILE']
      stored_value = get_key(file, key)
      if stored_value:
          click.echo('%s=%s' % (key, stored_value))
      else:
          exit(1)
docs: Retrieve the value for the given key.