Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Which one is a correct way to reverse the list called lst?
- lst = lst.reverse()
- reverse(lst)
- reverse()
- lst = reverse(lst)
- reverse(lst)
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- def return_bike(station_id: int, stations: List["Station"]) -> bool: """Update the available bike count and the docks available count for station in stations with id station_id as if a single bike was added, making an additional dock unavailable. Return True if and only if the return was successful. Precondition: station_id will appear in stations. >>> available_dock_station 43.681991, -79.329455, 15, 4, 10] >>> station_id >> original_bikes_available >> original_docks_available >> return_bike(station_id, [available_dock_station]) [7090, 'Danforth Ave / Lamb Ave', \ available_dock_station[ID] available_dock_station[BIKES_AVAILABLE] available_dock_station[DOCKS_AVAILABLE] True >> original_bikes_available + 1 available_dock_station[BIKES_AVAILABLE] == True >>> original_docks_available 1 available_dock_station[D0CKS_AVAILABLE] == True >>> no_dock_station 43.681991, -79.329455, 15, 15, 0] >>> station_id = no_dock_station[ID] >>> original_bikes_available = no_dock_station[BIKES_AVAILABLE] >>…arrow_forwardthis is not the proper answer, the list is list = {1, 2, 3, 4, 5, 10, 9, 8, 7, 6} not list {10, 9, 8, 7, 6, 5, 4, 3, 2, 1}arrow_forwardPlease answer the quesarrow_forward
- 89. Using OQL, you may do which of the following? a. Return an entire collection of elements including duplicates. b. Return a collection of elements without duplicates. c. Return a specific subset of elements using a given criteria. d. All of the above.arrow_forwardAs part of this assignment, the program that you will be writing will store current grades in a dictionary using course codes as keys and with values consisting of percent grades in lists. The main functions of this program are to print a student's gradebook, to drop the lowest grade in each course, print the student's gradebook again, drop the course with lowest average, and finally printing the student's gradebook again. This program requires a main function and a custom value-returning function. In the main function, code these basic steps in this sequence (intermediate steps may be missing): start with an empty dictionary that represents a gradebook and then use a while loop to allow the input of course codes from the keyboard. End the while loop when the user presses enter without entering data.within the while loop:for each course entered, use a list comprehension to generate five random integers in the range of 70 through 100. These random integers in a list represent the…arrow_forwardGiven list: ( 10, 19, 31, 57, 69, 81, 82, 94 ) Which list elements will be compared to key 69 using binary search? Enter elements in the order checked.arrow_forward
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