owing information: New Customer Revenue e.g., new customers not present in previous year only Lost Customers New Customers
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A data set has 4 columns--index, CUSTOMER_EMAIL, Net Revenue, and Year.
For each year we need the following information:
- New Customer Revenue e.g., new customers not present in previous year only
- Lost Customers
- New Customers
- Total Customers Previous Year
- Total Customers Current Year
Please implement it using python.
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- Given is a Python program that connects to a sqlite database and has one table called writers with two columnns: name - the name of a writer num - the number of works the writer has written The writers table originally has the following data: name, num Jane Austen,6 Charles Dickens,20 Ernest Hemingway,9 Jack Kerouac,22 F. Scott Fitzgerald,8 Mary Shelley,7 Charlotte Bronte,5 Mark Twain,11 Agatha Christie,73 Ian Flemming,14 J.K. Rowling,14 Stephen King,54 Oscar Wilde,1 Update the Python program to ask the user if they want to update entries or add new entries. If the name entered already exists in the writers table then the database record is updated, overwriting the original contents. If the name does not exist in the writers table, then add a new record with the writer's name and number of works. The following TODO sections must be completed. Check if a writer exists in the writers table If the writer exists in the table, locate an entry to be updated by writer's name and update the…Given is a Python program that connects to a sqlite database and has one table called writers with two columnns: name - the name of a writer num - the number of works the writer has written The writers table originally has the following data: name, num Jane Austen,6 Charles Dickens,20 Ernest Hemingway,9 Jack Kerouac,22 F. Scott Fitzgerald,8 Mary Shelley,7 Charlotte Bronte,5 Mark Twain,11 Agatha Christie,73 Ian Flemming,14 J.K. Rowling,14 Stephen King,54 Oscar Wilde,1 Update the Python program to ask the user if they want to update entries or add new entries. If the name entered already exists in the writers table then the database record is updated, overwriting the original contents. If the name does not exist in the writers table, then add a new record with the writer's name and number of works. The following TODO sections must be completed. Check if a writer exists in the writers table If the writer exists in the table, locate an entry to be updated by writer's name and update…Given is a Python program that connects to a sqlite database and has one table called writers with two columnns: name - the name of a writer num - the number of works the writer has written The writers table originally has the following data: name, num Jane Austen,6 Charles Dickens,20 Ernest Hemingway,9 Jack Kerouac,22 F. Scott Fitzgerald,8 Mary Shelley,7 Charlotte Bronte,5 Mark Twain,11 Agatha Christie,73 Ian Flemming,14 J.K. Rowling,14 Stephen King,54 Oscar Wilde,1
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- Subject : Data Structure Language : C Topic : Hash Table Sub Topic :- Pop- Push- Search Case : Bluejack Library is one of the popular libraries in the town. This library has more than 50.000 books. Sadly the senior librarian wants to resign and he doesn’t have time to teach the new librarian. Bluejack Library needs a simple program to help the new librarian so he can easily manage and search books. Bluejack Library hires you as a programmer to help them create a program that can help a new librarian find and manage books in this library easily using a C programming language and hashtable data structure. The criteria of the program are: The program consists of 4 menus, there are: View Book Insert Book Remove Book Exit If the user chooses View Book (Menu 1), then: * If there is no book, then show “There is no book(s) !” message * Otherwise, the program will show all the book data If the user chooses Insert Book (Menu 2), then: - The program will ask user to input the following…Subject : Data Structure Language : C Topic : Hash Table Sub Topic :- Pop- Push- Search Case : Bluejack Library is one of the popular libraries in the town. This library has more than 50.000 books. Sadly the senior librarian wants to resign and he doesn’t have time to teach the new librarian. Bluejack Library needs a simple program to help the new librarian so he can easily manage and search books. Bluejack Library hires you as a programmer to help them create a program that can help a new librarian find and manage books in this library easily using a C programming language and hashtable data structure. The criteria of the program are: The program consists of 4 menus, there are: View Book Insert Book Remove Book Exit If the user chooses View Book (Menu 1), then: * If there is no book, then show “There is no book(s) !” message * Otherwise, the program will show all the book data If the user chooses Insert Book (Menu 2), then: - The program will ask user to input the following…Database Question:In this problem, you will come up with decision trees to predict if a planet is habitable based only on features observed by the telescope.In the table below, you are given the data from all 800 planets surveyed so far. The features observed by telescope are Size (“Big” or “Small”), and Orbit (“Near” or “Far”). Each row indicates the values of the features and habitability, and how many times that set of values was observed. So, for example, there were 20 “Big” planets “Near” their star that were habitable.Determine if Planet=Big and Orbit=Far is habitable? Derive and draw the decision tree learned by ID3 on this data.
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