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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_pwm(self, led_num):
 """Generic getter for all LED PWM value"""

        self.__check_range('led_number', led_num)
        register_low = self.calc_led_register(led_num)
        return self.__get_led_value(register_low)