3455739312B457902345801def calculate_trip_time(iata_src: str, iata_dst: str, flight_walk: List[str], flights: FlightDir) -> float:Return a float corresponding to the amount of time required to travelfrom the source airport to the destination airport tothe destination airport, as outlined by the flight_walk.PERBEThe start time of the trip should be considered zero. In other words,assuming we start the trip at 12:00am, this function should return the timeit takes for the trip to finish, including all the waiting times before, andbetween the flights.If there is no path available, return -1.0>>> calculate_trip_time("AA1",2.0>>> calculate_trip_time("AA1",>>> calculate_trip_time("AA1",>>> calculate_trip_time("AA1",0.0>>> calculate_trip_time("AA4",14.0>>> calculate_trip_time("AA1",7.5>>> calculate_trip_time("AA1",2.0***"AA2", ["AA1", "AA2"], TEST_FLIGHTS_DIR_FOUR_CITIES)"AA7", ["AA7"] "AA1"], TEST_FLIGHTS_DIR_FOUR_CITIES)"AA7", ["AA1", "AA7"], TEST_FLIGHTS_DIR_FOUR_CITIES)"AA1", ["AA1"], TEST_FLIGHTS_DIR_FOUR_CITIES)"AA2", ["AA4", "AA1", "AA2"], TEST_FLIGHTS_DIR_FOUR_CITIES)"AA3", ["AA1", "AA2", "AAB"], TEST_FLIGHTS_DIR_FOUR_CITIES)"AA4", ["AA1", "AA4"], TEST_FLIGHTS_DIR_FOUR_CITIES)

from typing import List def calculate_trip_time(iata_src: str, iata_dst: str, flight_walk:…

def calculate_trip_time( iata_src: str, iata_dst: str, flight_walk: List[str], flights: FlightDir ) -> float: *** Return a float corresponding to the amount of time required to travel from the source airport to the destination airport to the destination airport, as outlined by the flight_walk. The start time of the trip should be considered zero. In other words, assuming we start the trip at 12:00am this function should return the time it takes for the trip to finish, including all the waiting times before, and between the flights. 5 If there is no path available, return -1.0 >>> calculate_trip_time("AA1", "AA2", ["AA1", "AA2"], TEST_FLIGHTS_DIR_FOUR_CITIES) 2.0 >>> calculate_trip_time("AA1", "AA7", ["AA7","AA1"], TEST_FLIGHTS_DIR_FOUR_CITIES) -1.0 >>> calculate_trip_time("AA1", "AA7", ["AA1", "AA7"], TEST_FLIGHTS_DIR_FOUR_CITIES) >>> calculate_trip_time("AA1", "AA1", ["AA1"], TEST_FLIGHTS_DIR_FOUR_CITIES) >>> calculate trip_time("AA4", "AA2", ["AA4", "AA1", "AA2"], TEST_FLIGHTS_DIR_FOUR_CITIES) 14.0 >>> calculate_trip_time("AA1", "AA3", ["AA1", "AA2", "AA3"], TEST_FLIGHTS_DIR_FOUR_CITIES) 7.5 >>> calculate_trip_time("AA1", "AA4", ["AA1", "AA4"], TEST_FLIGHTS_DIR_FOUR_CITIES) 2.0 ***

def calculate_trip_time( iata_src: str, iata_dst: str, flight_walk: List[str], flights: FlightDir ) -> float: * Return a float corresponding to the amount of time required to travel from the source airport to the destination airport to the destination airport, as outlined by the flight_walk. The start time of the trip should be considered zero. In other words, assuming we start the trip at 12:00am this function should return the time it takes for the trip to finish, including all the waiting times before, and between the flights. 5 If there is no path available, return -1.0 >>> calculate_trip_time("AA1", "AA2", ["AA1", "AA2"], TEST_FLIGHTS_DIR_FOUR_CITIES) 2.0 >>> calculate_trip_time("AA1", "AA7", ["AA7","AA1"], TEST_FLIGHTS_DIR_FOUR_CITIES) -1.0 >>> calculate_trip_time("AA1", "AA7", ["AA1", "AA7"], TEST_FLIGHTS_DIR_FOUR_CITIES) >>> calculate_trip_time("AA1", "AA1", ["AA1"], TEST_FLIGHTS_DIR_FOUR_CITIES) >>> calculate trip_time("AA4", "AA2", ["AA4", "AA1", "AA2"], TEST_FLIGHTS_DIR_FOUR_CITIES) 14.0 >>> calculate_trip_time("AA1", "AA3", ["AA1", "AA2", "AA3"], TEST_FLIGHTS_DIR_FOUR_CITIES) 7.5 >>> calculate_trip_time("AA1", "AA4", ["AA1", "AA4"], TEST_FLIGHTS_DIR_FOUR_CITIES) 2.0 *

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

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8
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def calculate_trip_time(
iata_src: str, iata_dst: str, flight_walk: List[str], flights: FlightDir
) -> float:
Return a float corresponding to the amount of time required to travel
from the source airport <iata_src> to the destination airport <iata_dst> to
the destination airport, as outlined by the flight_walk.
PERBE
The start time of the trip should be considered zero. In other words,
assuming we start the trip at 12:00am, this function should return the time
it takes for the trip to finish, including all the waiting times before, and
between the flights.
If there is no path available, return -1.0
>>> calculate_trip_time("AA1",
2.0
>>> calculate_trip_time("AA1",
>>> calculate_trip_time("AA1",
>>> calculate_trip_time("AA1",
0.0
>>> calculate_trip_time("AA4",
14.0
>>> calculate_trip_time("AA1",
7.5
>>> calculate_trip_time("AA1",
2.0
***
"AA2", ["AA1", "AA2"], TEST_FLIGHTS_DIR_FOUR_CITIES)
"AA7", ["AA7"] "AA1"], TEST_FLIGHTS_DIR_FOUR_CITIES)
"AA7", ["AA1", "AA7"], TEST_FLIGHTS_DIR_FOUR_CITIES)
"AA1", ["AA1"], TEST_FLIGHTS_DIR_FOUR_CITIES)
"AA2", ["AA4", "AA1", "AA2"], TEST_FLIGHTS_DIR_FOUR_CITIES)
"AA3", ["AA1", "AA2", "AAB"], TEST_FLIGHTS_DIR_FOUR_CITIES)
"AA4", ["AA1", "AA4"], TEST_FLIGHTS_DIR_FOUR_CITIES)

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