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def calculate_distances(self, starting_coordinates, ending_coordinates):
      calculated_distances = []
      for i in range(len(starting_coordinates)):
          val = str(starting_coordinates[i]).split(',')
          starting_tuple = (val[0], val[1])
          val_end = str(ending_coordinates[i]).split(',')
          ending_tuple = (val_end[0], val_end[1])
          if val_end[0] == "0.0" or val_end[1] == "0.0":
              calculated_distances.append(-1)
          elif val_end[0] == "0.5" or val_end[1] == "0.5":

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def calculate_speeds(self, starting_time_list, ending_time_list, distance_list):
    speed_list = []
    for i in range(len(starting_time_list)):
        try:
            start_datetime_object = datetime.strptime(starting_time_list[i], '%Y-%m-%d %H:%M:%S')
            end_datetime_object = datetime.strptime(ending_time_list[i], '%Y-%m-%d %H:%M:%S')
            time_taken = end_datetime_object-start_datetime_object
            hrs = time_taken.total_seconds()/3600
            speed_list.append(distance_list[i]/hrs)
        except Exception as e:

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def combine_get_driver_locations(self, df_trip, df_driver):
      # df_t = df_trip.copy()
      driver_lat_ls = []
      driver_lng_ls = []
      k = 0
      for i, df in df_trip.iterrows():
          try:
              trip_id = df['Trip ID']
              drivers = df_driver[df_driver['order_id']==trip_id]
              driver = drivers[drivers['driver_action']=="accepted"]

natyrix

pragma solidity >=0.4.22 <0.9.0;
// pragma experimental ABIEncoderV2;

contract RefundByLocation{
    struct Employee{
        // uint id;
        string name;
        address employee_address;
    }
    struct Employer{

natyrix

import React, { useReducer, useCallback, useEffect } from "react";
import Web3 from "web3";
import EthContext from "./EthContext";
import { reducer, actions, initialState } from "./state";

function EthProvider({ children }) {
    const [state, dispatch] = useReducer(reducer, initialState);

    const init = useCallback(
        async artifact => {

natyrix

import 'dart:convert';

import 'package:flutter/services.dart';
import 'package:flutter_dotenv/flutter_dotenv.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:web3dart/web3dart.dart';
import 'package:http/http.dart' as http;
import 'package:web_socket_channel/io.dart';