Answered: This is all in python the first…

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

This is all in python

the first picture is the output of the first program & the second is for the second program

Write program that creates a text file to store the inventory of a retail store. Acquire the item name, quantity in stock, and unit price of each item in the inventory from user keyboard input. Use a while loop because the size of the inventory is unknown. Each datum should be on its own line in the file.

here is my code that is for the above question

file = open ('inventory.txt', 'w')
while True:
item_name=input('Enter the item name or Enter to quit ');

if (item_name ==""):
break

quantity_of_item=float(input('Enter the quantity of this item '))
unit_price=float(input('Enter the unit price of this item '))

file.write(item_name+" "+str(unit_price)+""+str(quantity_of_item)+"")

file.close ()

print('File was created and closed')

program6_2.py
This program reads the text file created in the program above and displays its data. After printing the details for each item, the program should report the item name and inventory value of the most valuable inventory item.

Enter item name or Enter to quit hats
Enter the quantity of this item 12
Enter the unit price of this item 19.99
Enter item name or Enter to quit shoes
Enter the quantity of this item 6
Enter the unit price of this item 49.95
Enter item name or Enter to quit shorts
Enter the quantity of this item 18
Enter the unit price of this item 24.95
Enter item name or Enter to quit tops
Enter the quantity of this item 10
Enter the unit price of this item 17.99
Enter item name or Enter to quit sandals
Enter the quantity of this item 8
Enter the unit price of this item 29.99
Enter item name or Enter to quit
File was created and closed

12 hats @ $19.99, value $239.88
6 shoes @ $49.95, value $299.70
18 shorts @ $24.95, value $449.10
10 tops @ $17.99, value $179.90
8 sandals @ $29.99, value $239.92
Total inventory value is $1,408.50
Highest value item is shorts @ $449.10

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