7. Employee Management SystemThis exercise assumes you have created the Employee class for Programming Exercise 4.Create a program that stores Employee objects in a dictionary. Use the employee ID num-ber as the key. The program should present a menu that lets the user perform the followingactions:• Look up an employee in the dictionary●Add a new employee to the dictionaryProgramming Exercises●Change an existing employee's name, department, and job title in the dictionary• Delete an employee from the dictionary• Quit the programWhen the program ends, it should pickle the dictionary and save it to a file. Each time theprogram starts, it should try to load the pickled dictionary from the file. If the file does notexist, the program should start with an empty.dictionary.8. Cach Rogistor571 Chapter 10 Classes and Object-Oriented Programming5. Retail Item ClassWrite a class named RetailItem that holds data about an item in a retail store. The classshould store the following data in attributes: item description, units in inventory, and price.Once you have written the class, write a program that creates three Retail Item objectsand stores the following data in them:Item #1Item #2Item #3DescriptionJacketDesigner JeansShirtUnits in Inventory1240206. Patient ChargesWrite a class named Patient that has attributes for the following data:First name, middle name, and last nameAddress, city, state, and ZIP code• Phone number• Name and phone number of emergency contactThe Patient class's__init__method should accept an argument for each attribute. ThePatient class should also have accessor and mutator methods for each attribute.Next, write a class named Procedure that represents a medical procedure that has beenperformed on a patient. The Procedure class should have attributes for the following data:• Name of the procedure• Date of the procedure• Name of the practitioner who performed the procedure• Charges for the procedure 4Procedure #1:Procedure name: Physical ExamDate: Today's datePractitioner: Dr. IrvineCharge: 250.00Price59.9534.9524.95The Procedure class's init method should accept an argument for each attribute.The Procedure class should also have accessor and mutator methods for each attribute.Next, write a program that creates an instance of the Patient class, initialized with sampledata. Then, create three instances of the Procedure class, initialized with the following data:Procedure # 2:Procedure name: X-rayDate: Today's datePractitioner: Dr. JamisonCharge: 500.00@PythonForeverProcedure #3:Procedure name: Blood testDate: Today's date.Practitioner: Dr. SmithCharge: 200.00The program should display the patient's information, information about all three of theprocedures, and the total charges of the three procedures.

Step-1) import the module pickle and os.Step-2) Then, creating a class Employee and defining the…

7. Employee Management System This exercise assumes you have created the Employee class for Programming Exercise 4. Create a program that stores Employee objects in a dictionary. Use the employee ID num- ber as the key. The program should present a menu that lets the user perform the following actions: • Look up an employee in the dictionary • Add a new employee to the dictionary • Change an existing employee's name, department, and job title in the dictionary • Delete an employee from the dictionary . Quit the program When the program ends, it should pickle the dictionary and save it to a file. Each time the program starts, it should try to load the pickled dictionary from the file. If the file does not exist, the program should start with an empty.dictionary. O Cuch. Ronista

7. Employee Management System This exercise assumes you have created the Employee class for Programming Exercise 4. Create a program that stores Employee objects in a dictionary. Use the employee ID num- ber as the key. The program should present a menu that lets the user perform the following actions: • Look up an employee in the dictionary • Add a new employee to the dictionary • Change an existing employee's name, department, and job title in the dictionary • Delete an employee from the dictionary . Quit the program When the program ends, it should pickle the dictionary and save it to a file. Each time the program starts, it should try to load the pickled dictionary from the file. If the file does not exist, the program should start with an empty.dictionary. O Cuch. Ronista

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

7. Employee Management System
This exercise assumes you have created the Employee class for Programming Exercise 4.
Create a program that stores Employee objects in a dictionary. Use the employee ID num-
ber as the key. The program should present a menu that lets the user perform the following
actions:
• Look up an employee in the dictionary
●
Add a new employee to the dictionary
Programming Exercises
●
Change an existing employee's name, department, and job title in the dictionary
• Delete an employee from the dictionary
• Quit the program
When the program ends, it should pickle the dictionary and save it to a file. Each time the
program starts, it should try to load the pickled dictionary from the file. If the file does not
exist, the program should start with an empty.dictionary.
8. Cach Rogistor
571

Chapter 10 Classes and Object-Oriented Programming
5. Retail Item Class
Write a class named RetailItem that holds data about an item in a retail store. The class
should store the following data in attributes: item description, units in inventory, and price.
Once you have written the class, write a program that creates three Retail Item objects
and stores the following data in them:
Item #1
Item #2
Item #3
Description
Jacket
Designer Jeans
Shirt
Units in Inventory
12
40
20
6. Patient Charges
Write a class named Patient that has attributes for the following data:
First name, middle name, and last name
Address, city, state, and ZIP code
• Phone number
• Name and phone number of emergency contact
The Patient class's__init__method should accept an argument for each attribute. The
Patient class should also have accessor and mutator methods for each attribute.
Next, write a class named Procedure that represents a medical procedure that has been
performed on a patient. The Procedure class should have attributes for the following data:
• Name of the procedure
• Date of the procedure
• Name of the practitioner who performed the procedure
• Charges for the procedure 4
Procedure #1:
Procedure name: Physical Exam
Date: Today's date
Practitioner: Dr. Irvine
Charge: 250.00
Price
59.95
34.95
24.95
The Procedure class's init method should accept an argument for each attribute.
The Procedure class should also have accessor and mutator methods for each attribute.
Next, write a program that creates an instance of the Patient class, initialized with sample
data. Then, create three instances of the Procedure class, initialized with the following data:
Procedure # 2:
Procedure name: X-ray
Date: Today's date
Practitioner: Dr. Jamison
Charge: 500.00
@PythonForever
Procedure #3:
Procedure name: Blood test
Date: Today's date.
Practitioner: Dr. Smith
Charge: 200.00
The program should display the patient's information, information about all three of the
procedures, and the total charges of the three procedures.

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