<prompt> Kuandika upya code aliyopewa lakini kuongeza maoni.def next_generatorself:for item in self.data:self.save_prev_itemmatch_instruction re.searchself.pattern_instruction, iteminstructionmatch_input re.searchself.pattern_input, iteminputmatch_output re.searchself.pattern_output, itemoutputif match_instruction or match_input or match_output:new_instruction iteminstructionnew_input iteminputold_output itemoutputmodified_output self.modify_outputmatch_output, itemself.fill_valuesnew_instruction, new_input, old_output, modified_outputself.prev_item itemyield self.instruction, self.input, self.old_output, self.modified_outputself.save_prev_itemself.fill_valuesinstructionEnd of matches reached.while True:yield self.instruction, self.input, self.old_output, self.  <response>: The function next_generator is defined with a self parameterdef next_generatorself: The for loop iterates through the items in the self.data list and saves the previous itemfor item in self.data:self.save_prev_item The re.search function searches for a match in the items instruction, input, and output fieldsmatch_instruction re.searchself.pattern_instruction, iteminstructionmatch_input re.searchself.pattern_input, iteminputmatch_output re.searchself.pattern_output, itemoutput If a match is found, some values are modified and filled inif match_instruction or match_input or match_output:new_instruction iteminstructionnew_input iteminputold_output itemoutputmodified_output self.modify_outputmatch_output, itemself.fill_valuesnew_instruction, new_input, old_output, modified_outputself.prev_item item The function yields the modified instruction, input, old_output and modified_output valuesyield self.instruction, self.input, self.old_output, self.modified_output At the End of Matches, the fill_values function is called with an instruction parameterself.save_prev_itemself.fill_valuesinstructionEnd of matches reached. An infinite loop is run with yield statementwhile True:yield self.instruction, self.input, self.old_output, self. 