3. Plot the following data in Python in a scatter plotwith colored markers, axes labels, and a title:Time (s) Distance (m)19.821929.6439.2550658.7768.678.49.88.54.Create and print a dictionary of acquaintances inPython where the keys are name, age, profession,and address and the values are Jack, Sarah, Andrew,Fred; 26,34, 21, 37; salesperson, teacher, student,architect; downtown, suburbs, downtown,mountains.Now, use the key age as an index to change the ageof Jack to 24 and the age of Fred to 40.

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3. Plot the following data in Python in a scatter plot with colored markers, axes labels, and a title: Time (s) Distance (m) 1 9.8 2 19 29.6 4 39.2 50 6. 58.7 7 68.6 8 78.4 9. 88.5

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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2- Consider the following Python dictionary: {'Wednesday': 'Wednesday', 'Thursday': 'chilly'} Using the in keyword, would 'Wednesday' be considered a member of this dictionary? Ensure that you select the answer which also includes a correct explanation. a. No, because it is not a value in the dictionary. b. Yes, because it is a value in the dictionary. c. No, because it is not a key in the dictionary. d. No, because it is not both a key and a value in the dictionary (not just one or the other). e. Yes, because it is a key in the dictionary. f. Yes, because it is both a key and a value in the dictionary (not just one or the other).
Take two numbers (separated by a space) as user input in a single line which will be used as a range (both numbers inclusive) later. Your task is to create and print a Python dictionary where the keys will be numbers from that range and the corresponding values will be the odd factors (divisors) of that number in a tuple.Sample Input 1:10 15Sample Output 1:{10: (1, 5), 11: (1, 11), 12: (1, 3), 13: (1, 13), 14: (1, 7), 15: (1, 3, 5, 15)}Explanation 1:In this dictionary, the keys contain numbers from the range 10 to 15 and the value corresponding to a number is a tuple which consists of the odd factors of that number.-----------------------------------------------------------------Sample Input 2:20 23Sample Output 2:{20: (1, 5), 21: (1, 3, 7, 21), 22: (1, 11), 23: (1, 23)}Explanation 2:In the dictionary, the keys contain numbers from the range 20 to 23 and the value corresponding to a number is a tuple which consists of the odd factors of that number.
Hi, can you please explain this Python question to me? The answer is bolded 3. Which of the following will define a dictionary? a) d = {'foo': 100, 'bar': 200, 'baz': 300} b) d = {'foo' = 100, 'bar'= 200, 'baz'= 300} c) d = {('foo': 100), ('bar': 200), ('baz': 300)} d) d = dict(('foo': 100), ('bar': 200), ('baz': 300))
python code. instructions are given within the quotations for each function. 1) def invert_dict(d): """ Given a dictionary d, create the invert of the dictionary where the key is a value v in d, and v is mapped to a set of keys in original d whose values are equal to v. Return the inverted dictionary mapping value to set of keys """ return {1:1} 2) def histogram(words): """ Given a list of words, create a histogram dictionary where the key is the length of a word and the value is the count of how many words in the list are of that length. Return the histogram dictionary mapping length to word counts """ return {1:1} 3) def max_kv(d): """ Given a dictionary, return a tuple of key value pair where the key is the largest in d. """ return (1, {1}) 4) def run(): """ Get words list from the file listed in argv[1]; create histogram of count of each word length; create invert…
Regarding a dictionary, which of the following is not true? This is for python. A dictionary can contain another dictionary. A dictionary contains key-value pairs, typically separated by a colon. A dictionary can be modified. The contents of a dictionary can be accessed by using either its keys or by using indexing.
I have a dictionary that comprises of numerous volumes, each of which is a book, on my bookcase of paper books. A-E is covered by one, F-J by another, K-M by another, and so on. I look at the alphabetic ranges to get the proper loudness to discover a word. Then I turn to the appropriate page by using the ranges at the top of each page. After that, I look for the word on the page.
In Python: Write a program that will build a contact list / address book. The user should be asked to enter the name, phone number, and address for each person in the list. Let the user decide whether or not to enter another set of information or be done. The data should be stored in an appropriately structured dictionary. There are many forms this dictionary could take, but think about what would make the most sense for the keys and values. When the user decides they are done, print the contents of the dictionary. How you decide to structure your program (what functions are necessary, if any!) is up to you. Use your best judgement.
given a variable, province_premier, that contains a dictionary that maps the province names to the names to the names of province premiers, assign to premier_province a dictionary that is the inverse of province_premier, ie. one that maps names premiers to province names. using python
Please answer it in Python We want to manage the exam scores of the students in a group. Not all students in the group take the same courses, nor the same number of courses. The notes are organized in a list, each element of which is a dictionary containing the student's name and grades in the subjects he has chosen. notes_groupe=[{'name': 'lambert', 'notes': {'physics': 12, 'info': 11}}, {'name': may, 'notes': {'maths': 13.5, 'info': 18, 'sport': 17}}] Write a function courses_hard(notes_groupe) that returns the name of the most difficult courses (the one with the worst group average). For example: courses_hard(=[{'name': 'lambert', 'notes': {'physics': 12, 'info': 11}},{'name': may, 'notes': {'maths': 13.5, 'info': 18, 'sport': 17}}] #return => physics
Use Python for this question: Write a function piggyBank that accepts a sequence of "coins" and returns counts of the coins and the total value of the bank. the coins will be given by a list of single characters, each one of 'Q','D','N',P' , representing quarter, dime, nickel, penny the function returns a tuple with two items: a dictionary with counts of each denomination. They should always be listed in the order 'Q','D','N',P' the total value in whole cents of the amount in the bank Output for this question is in the attached picture
Write a python program for this question: You are given a list of courses that are currently available in BRACU that looks like the following:courses = ['CSE110','CSE111','MAT620','CSE520','EEE361','CSE650','MAT510'].All courses till 400 level (499) are for the undergraduate students whereas any courses above 500 are for the graduate or masters students.Write a python program that creates a dictionary from the above list where the keys will be each department name (CSE,EEE,MAT for the above example) and their values will be a dictionary of two keys -Undergraduate Courses and Graduate Courses.Each key will have courses that fall in Undergraduate and Graduate level respectively.Sample Input - No need to take input['CSE110','CSE111','MAT620','CSE520','EEE361','CSE650','MAT510']Sample Output: (You just have to print the resultant dictionary. No need to follow the pattern below){ 'CSE':{ 'Undergraduate':['CSE110','CSE111'], 'Graduate':['CSE520','CSE650'] },…
Discuss the concept of dictionary views in Python. How can they be used to efficiently iterate over keys, values, and items in a dictionary?