## Arguments:
        - 'args' and 'kwargs' will be passed to 'self.save()'

def show(self, temp_file_name = 'ani.mp4', **kwargs):
        """
        
        ## Arguments:
        - 'args' and 'kwargs' will be passed to 'self.save()'
        """
        ## [NOTE] Make this method as a method of base class.

        ## [NOTE] This should be modified to prevent erasing other existing file with the same name.
       	assert type(temp_file_name) is str
 
        self.save(temp_file_name, **kwargs)

        ## [NOTE] Consider removing the temp file.
        
        ## [NOTE] Implement automatic showing.
        return HTML("""
        <video width="%d" height="%d" controls>
          <source src="%s" type="video/mp4">
          </video>
          """ % (640, 300, temp_file_name))