Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Python please
Transcribed Image Text:A
13.13 LAB: Parsing food data
Given a text file containing the availability of food items, write a program that reads the information from the text file and outputs the
available food items. The program first reads the name of the text file from the user. The program then reads the text file, stores the
information into four separate lists, and outputs the available food items in the following format: name (category) -- description
Assume the text file contains the category, name, description, and availability of at least one food item, separated by a tab character ("\t").
Ex: If the input of the program is:
food.txt
and the contents of food.txt are:
Sandwiches
Sandwiches
Sandwiches
Ham sandwich
Classic ham sandwich
Available
Chicken salad sandwich Chicken salad sandwich Not available
Cheeseburger
Classic cheeseburger Not available
Salads
Water 16oz bottled water Available
Caesar salad Chunks of romaine heart lettuce dressed with lemon juice Available
Salads. Asian salad Mixed greens with ginger dressing, sprinkled with sesame Not available
Beverages
Beverages
Mexican food
Mexican food
Coca-Cola 16oz Coca-Cola
Not available.
Chicken tacos Grilled chicken breast in freshly made tortillas Not available
Beef tacos Ground beef in freshly made tortillas
Vegetarian Avocado sandwich Sliced avocado with fruity spread
the output of the program is:
462500-3140334 qx3zqy?
113.12 LAB: Thesaurus
Available
--
Ham sandwich (Sandwiches)
Classic ham sandwich
Caesar salad (Salads) -- Chunks of romaine heart lettuce dressed with lemon juice
Water (Beverages) -- 16oz bottled water
Beef tacos (Mexican food) -- Ground beef in freshly made tortillas
Not available.
Expert Solution
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Step 1 Introduction
In Python, you can use the open() function to open a file. This function takes a minimum of one argument, which is the file path as a string. It returns a file object, which has methods and attributes for obtaining information about and manipulating the opened file. You can also used to the read() and readline() methods to read the contents of the file, and the write() method to write to the file. Additionally, there are a number of other methods and attributes for obtaining information about the file, such as its size and last modified date.
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