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Design a program that reads a file called sales.txt containing the following data: Jane, 215.5,445.5,910.0 John, 825.0, 250.5,675.0 Bill,0.0,999.15 Each line has a employee's name and their weekly sales totals all separated by commas. Some employees have taken vacation some weeks so no numbers are captured for those weeks. Create a function that takes a list of floats and returns the average value for those numbers. After reading the information from the file, use a for loop to calculate the sales average using your new average function for each employee and display the following output to the screen. Jane, average sales: 523.67 John, average sales: 583.50 Bill, average sales: 499.56

Design a program that reads a file called sales.txt containing the following data: Jane, 215.5,445.5,910.0 John, 825.0, 250.5,675.0 Bill,0.0,999.15 Each line has a employee's name and their weekly sales totals all separated by commas. Some employees have taken vacation some weeks so no numbers are captured for those weeks. Create a function that takes a list of floats and returns the average value for those numbers. After reading the information from the file, use a for loop to calculate the sales average using your new average function for each employee and display the following output to the screen. Jane, average sales: 523.67 John, average sales: 583.50 Bill, average sales: 499.56

Database System Concepts
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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**Design a Program to Calculate Average Sales from a File** **Objective:** Develop a program that reads a file named `sales.txt`, which contains sales data for employees, and calculates the average sales for each employee. **File Data Structure:** ``` Jane,215.5,445.5,910.0 John,825.0,250.5,675.0 Bill,0.0,999.15 ``` Each line in the file represents: - An employee's name followed by their weekly sales totals. - Sales numbers are separated by commas. - Some weeks may have zero sales due to vacations. **Task:** 1. Create a function that accepts a list of sales numbers (floats) and returns their average. 2. Read the sales data from the file. 3. Use a loop to compute the average sales for each employee. 4. Display the results in the following format: ``` Jane, average sales: 523.67 John, average sales: 583.50 Bill, average sales: 499.56 ``` This program teaches how to handle file input, process numerical data, and implement basic averaging functions in programming.
Transcribed Image Text:**Design a Program to Calculate Average Sales from a File** **Objective:** Develop a program that reads a file named `sales.txt`, which contains sales data for employees, and calculates the average sales for each employee. **File Data Structure:** ``` Jane,215.5,445.5,910.0 John,825.0,250.5,675.0 Bill,0.0,999.15 ``` Each line in the file represents: - An employee's name followed by their weekly sales totals. - Sales numbers are separated by commas. - Some weeks may have zero sales due to vacations. **Task:** 1. Create a function that accepts a list of sales numbers (floats) and returns their average. 2. Read the sales data from the file. 3. Use a loop to compute the average sales for each employee. 4. Display the results in the following format: ``` Jane, average sales: 523.67 John, average sales: 583.50 Bill, average sales: 499.56 ``` This program teaches how to handle file input, process numerical data, and implement basic averaging functions in programming.
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