Computer Science Illuminated
6th Edition
ISBN: 9781284055917
Author: Nell Dale, John Lewis
Publisher: Jones & Bartlett Learning
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Chapter 11, Problem 45E
Explanation of Solution
Definition of path:
To represent the path of the file, first identify the type of the environment in the
- If GUI (Graphical User interface) is used, the desired file can be opened directly by double clicking the mouse.
- If it is other than the GUI (Graphical User interface), use the command prompt to specify the location of the file.
- The command prompt should be used in text mode. This command prompt changes the user from current working directory to desired directory.
- To specify the required file in the text mode, specify the path of the file.
- The path is a string or sequences of characters separated by a forward (/) or backward slash (\) that contains the specified location of file or subdirectory.
- The path can be represented in two ways.
- Absolute path:
- It specifies the path of the file step-by-step from root of the directory...
- Absolute path:
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8. Name and Email AddressesWrite a program that keeps names and email addresses in a dictionary as key-value pairs. The program should display a menu that lets the user look up a person’s email address, add a new name and email address, change an existing email address, and delete an existing name and email address. The program should pickle the dictionary and save it to a file when the user exits the program. Each time the program starts, it should retrieve the dictionary from the file and unpickle it.
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Chapter 11 Solutions
Computer Science Illuminated
Ch. 11 - Prob. 1ECh. 11 - Prob. 2ECh. 11 - Prob. 3ECh. 11 - Prob. 4ECh. 11 - Prob. 5ECh. 11 - Prob. 6ECh. 11 - Prob. 7ECh. 11 - Prob. 8ECh. 11 - Prob. 9ECh. 11 - Prob. 10E
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