3import json
 4
 5
 6class Block: 7    def __init__(self, index, previous_hash, timestamp, data, hash):
 8        self.index = index
 9        self.previous_hash = previous_hash

 4from sklearn.model_selection import train_test_split
 5
 6
 7class HealthMonitoringModel: 8    def __init__(self, data_path):
 9        self.data_path = data_path
10        self.model = None

  5from flask import Flask, jsonify, request
  6
  7
  8class Block:  9    def __init__(self, index, previous_hash, timestamp, data, hash):
 10        self.index = index
 11        self.previous_hash = previous_hash

 1class TelemedicineIntegration: 2    def __init__(self, api_key):
 3        self.api_key = api_key
 4        self.base_url = "https://api.telemedicine.com/v1"