Solution: Build a Sensor Monitoring System

import random
import time
class Sensor:
    def __init__(self, sensor_id):
        self.sensor_id = sensor_id
        self.last_alert = None
        self.alert_count = 0
    def generate_data(self):
        raise NotImplementedError("Subclasses must implement generate_data method")
    def process_data(self, data):
        raise NotImplementedError("Subclasses must implement process_data method")
class TemperatureSensor(Sensor):
    def generate_data(self):
        temperature = random.uniform(20, 30)  # Simulate temperature readings
        return {"sensor_id": self.sensor_id, "temperature": temperature}
    def process_data(self, data):
        temperature = data["temperature"]
        if temperature > 28 and self.last_alert != "high_temperature":
            self.last_alert = "high_temperature"
            self.alert_count += 1
            return f"High temperature detected! Sensor {data['sensor_id']} reading: {temperature:.2f}°C"
        elif temperature <= 28 and self.last_alert == "high_temperature":
            self.last_alert = None
            return "Temperature back to normal."
class PressureSensor(Sensor):
    def generate_data(self):
        pressure = random.uniform(100, 150)  # Simulate pressure readings
        return {"sensor_id": self.sensor_id, "pressure": pressure}
    def process_data(self, data):
        pressure = data["pressure"]
        if pressure > 130 and self.last_alert != "high_pressure":
            self.last_alert = "high_pressure"
            self.alert_count += 1
            return f"High pressure detected! Sensor {data['sensor_id']} reading: {pressure:.2f} psi"
        elif pressure <= 130 and self.last_alert == "high_pressure":
            self.last_alert = None
            return "Pressure back to normal."
class VibrationSensor(Sensor):
    def generate_data(self):
        vibration = random.uniform(0.5, 2.5)  # Simulate vibration readings
        return {"sensor_id": self.sensor_id, "vibration": vibration}
    def process_data(self, data):
        vibration = data["vibration"]
        if vibration > 2.0 and self.last_alert != "excessive_vibration":
            self.last_alert = "excessive_vibration"
            self.alert_count += 1
            return f"Excessive vibration detected! Sensor {data['sensor_id']} reading: {vibration:.2f}"
        elif vibration <= 2.0 and self.last_alert == "excessive_vibration":
            self.last_alert = None
            return "Vibration back to normal."