def ) -> """ 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. calculate_trip_time( iata_src: str, iata_dst: str, flight_walk: List[str], flights: Flight Dir float: 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", -1.0 "AA2", ["AA1", "AA2"], TEST_FLIGHTS_DIR_FOUR_ "AA7", ["AA7", "AA1"], TEST_FLIGHTS_DIR_FOUR_ "AA7", ["AA1", "AA7"], TEST_FLIGHTS_DIR_FOUR_ "AA1", ["AA1"], TEST_FLIGHTS_DIR_FOUR_CITIES) "AA2", ["AA4", "AA1", "AA2"], TEST_FLIGHTS_DI >>> calculate_trip_time("AA1", "AA3", ["AA1", "AA2", "AA3"], TEST_FLIGHTS_DI 7.5 >>> calculate_trip_time("AA1", -1.0 >>> calculate_trip_time("AA1", 0.0 >>> calculate_trip_time("AA4", 14.0 >>> calculate_trip_time("AA1", "AA4", ["AA1", "AA4"], TEST_FLIGHTS_DIR_FOUR_ 2.0 || || || # Complete your function below

def ) -> """ 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. calculate_trip_time( iata_src: str, iata_dst: str, flight_walk: List[str], flights: Flight Dir float: 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", -1.0 "AA2", ["AA1", "AA2"], TEST_FLIGHTS_DIR_FOUR_ "AA7", ["AA7", "AA1"], TEST_FLIGHTS_DIR_FOUR_ "AA7", ["AA1", "AA7"], TEST_FLIGHTS_DIR_FOUR_ "AA1", ["AA1"], TEST_FLIGHTS_DIR_FOUR_CITIES) "AA2", ["AA4", "AA1", "AA2"], TEST_FLIGHTS_DI >>> calculate_trip_time("AA1", "AA3", ["AA1", "AA2", "AA3"], TEST_FLIGHTS_DI 7.5 >>> calculate_trip_time("AA1", -1.0 >>> calculate_trip_time("AA1", 0.0 >>> calculate_trip_time("AA4", 14.0 >>> calculate_trip_time("AA1", "AA4", ["AA1", "AA4"], TEST_FLIGHTS_DIR_FOUR_ 2.0 || || || # Complete your function below

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

calculate_trip_time(
iata_src: str, iata_dst: str, flight_walk: List[str], flights: Flight Dir
float:
def
) ->
""" 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.
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", "AA2", ["AA1", "AA2"], TEST_FLIGHTS_DIR_FOUR_
2.0
"AA7", ["AA7", "AA1"], TEST_FLIGHTS_DIR_FOUR_
"AA7", ["AA1", "AA7"], TEST_FLIGHTS_DIR_FOUR_
"AA1", ["AA1"], TEST_FLIGHTS_DIR_FOUR_CITIES)
"AA2", ["AA4", "AA1", "AA2"], TEST_FLIGHTS_DI
"AA3", ["AA1", "AA2", "AA3"], TEST_FLIGHTS_DI
>>> calculate_trip_time("AA1", "AA4", ["AA1", "AA4"], TEST_FLIGHTS_DIR_FOUR_
2.0
|| || ||
>>> calculate_trip_time("AA1",
-1.0
>>> calculate_trip_time("AA1",
-1.0
>>> calculate_trip_time("AA1",
0.0
>>> calculate_trip_time("AA4",
14.0
>>> calculate_trip_time("AA1",
7.5
# Complete your function below.

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