What are the keys in the following dictionary? fruit = {"Apple": "Green", "Banana": "Yellow"} O Apple and Banana O Green and Yellow O Apple, Green, Banana and Yellow O The dictionary does not have any keys

What are the keys in the following dictionary? fruit = {"Apple": "Green", "Banana": "Yellow"} O Apple and Banana O Green and Yellow O Apple, Green, Banana and Yellow O The dictionary does not have any keys

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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Please written by computer source Eight students' grades in the respective courses are given via this dictionary:{'Math' : [80, 89, 93, 66, 84, 85, 74, 64],'Science' : [94, 76, 88, 78, 88, 92, 60, 85],'English' : [83, 76, 93, 96, 77, 85, 92, 60],'History' : [96, 66, 76, 85, 78, 88, 69, 99]}Form the corresponding pandas dataframe and report the means and standarddeviations by student and by course. Provide the 5-number summary for eachcourse.
Perform the following tasks: Create a dictionary named color_dict containing key-value pairs 'red': 222, 'green': 184, and 'blue': 135. Read strings key_read and value_read from input. Add key_read and value_read as a new key-value pair to color_dict with key_read as the key and value_read as the value.
Python program named "YourMuseumID_Exhibits.py" focusing on museum exhibit data: You have a list of dictionaries representing exhibits in a museum. Each dictionary contains the exhibit name, the number of artifacts on display, and the historical era it covers. Perform the following tasks: (a) Calculate and display the total number of artifacts on display for all exhibits in the museum. (b) Identify and display the exhibit with the highest number of artifacts on display. (c) Implement a function that takes a user-input exhibit name and searches for it in the list. If found, display the number of artifacts on display and the historical era it covers; if not found, print a message indicating that the exhibit is not in the museum. (d) Implement a sorting algorithm of your choice to sort the exhibits based on the number of artifacts on display in descending order and display the sorted list. Make sure to incorporate functions for each task and display the results in the main function with…
Overview This program will have you cut and past a dictionary called food_dict from the specifications, the programmatically go through the list to find people who have not yet listed their favorite foods. It will then ask for their foods, update the dictionary, and finally print it at the end. Note: I will change the dictionary during grading Expected Output Example 1 What is Janelle's favorite food? Steak What is Thomas's favorite food? What is Yolanda's favorite food? Soup Here are the favorite foods: Jim's favorite food is Tacos Bob's favorite food is Burgers Janelle's favorite food is Steak Lisa's favorite food is Pizza Thomas's favorite food is Pho Yolanda's favorite food is Soup Finn's favorite food is Bread Specifications • You should submit a single file called M4A5.py • It should follow the submission standards outlined here: Submission Standards • Your program must loop through the dictionary to find empty values. • You must copy this dictionary definition to the top of your…
Exercise: Check Monster Character Exists Description In this series of exercises, you will create functionsto create, modify and examine dictionaries thatrepresent characters in an animated film, and thecast members who voice the characters. Thekeys of the dictionary will be character names.The values in the dictionary will be voice actornames. For this exercise, you will create a function thatchecks if a character is already in the dictionary. Files • monsterfunctions.py : set of functions to work with monster cast dictionaries. Function Name has_character Parameters • monsters: a dictionary • character: a string, the name of a character Action Checks if character is a key in monsters. Return Value True if character is a key in monsters, otherwise False. Examples monsters = create_monster_cast()monsters = add_cast_member(monsters, "Mike", "William Crystal")has_character(monsters, "Mike") -> Truehas_character(monsters, "Sully") -> False
Overview This program will welcome a user to the trivia builder 3000, then prompt the user to add questions to the trivia bank. After the user indicates they are done it will print out the contents of the trivia bank. Expected Output Example 1 Welcome to the trivia builder 3000 Enter the next question: Who was the fifth Beatle? Enter the correct answer for that question: Pete Best Enter the next question: You did not enter a question, let's try again. Enter the next question: How many dimples does a golf ball have Enter the correct answer for that question: 336 Enter the next question: Done We will stop entering questions now Here is the final trivia dictionary: The question is: Who was the fifth Beatle? And the answer is: Pete Best The question is: How many dimples does a golf ball have? And the answer is: 336 Example 2 Welcome to the trivia builder 3000 Enter the next question: What was the first name for the Beatles? Enter the correct answer for that question: The Quarymen Enter the…
Declarations:Declare the the Following Pointers1. A nonconstant pointer to nonconstant data2. A nonconstant pointer to constant data3. A constant pointer to nonconstant data4. a constant pointer to constant dataData can be any datatype.
What is a pointer? O A variable with a fixed value. A collection of different type of elements A collection of different elements with the same types. A variable that directly references a value.
(1) Create two dictionaries: one should contain bank account number as key and the customer name as value. The other should contain bank account number as key and the balance as value. (1 pt) Ex:An account dictionary with one entry: {'109': 'John Doe'} A balance dictionary with one entry: {'109': 2500.58} Create the following 4 accounts:Account #: Name: Balance ($): '109' 'John 'Doe' 2500.58 '110' 'Mary Woods' 1070.50 '111' 'Sam Brown' 7850.00 '112' 'Mark Miller' 5000.95
# Using the routes dictionary defining places your airline can go with #with mileage to each, create a function that determines the total #distance travelled by going to the airports in sequence defined by this # list itinerary and the routes dictionary. (No published answer... def summary (routesMap) : # Please do not change any code below... airports = list (routesMap.keys ()) for airport in airports: destinations = routesMap [airport] for n in range (0,len (destinations)): destinationInfo = destinations [n] destination = destinationInfo [0] mileage = destinationInfo [1] print (f"Leaving {airport} to {destination} for (mileage} miles.") def distanceUsing (routesMap, itinerary): milesTravelled = 0 ### Your code goes here. return milesTravelled def main (): # Please do not change this dictionary... routes = { main () "Austin": "Chicago": "Dallas": "Denver": "El Paso": "Houston": "Nashville": summary (routes) [["Chicago", 500], ["Houston", 180], ["Nashville", 86011, [["Austin", 500],…
Python code please help, indentation would be greatly appreciated
A Dictionary object’s Remove method returns an integer indicating the number of elements that were removed. Question 48 options: True False