<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def set_option(self, option, value):
 """ Set a plugin option in configuration file. Note: Use sig_option_changed to call it from widgets of the same or another plugin. """

        CONF.set(self.CONF_SECTION, str(option), value)