Write a function called process_data that meets the specification written below. Your method should be programmed defensively and should handle any of the possible errors that may arise from reading from a file printing an appropriate error message to the screen. Function: process_data This function reads data from a file and calculates the sum of all of the values found in the file. It does this by reading the file one line at a time and if the line contains a single number, it adds that value to the sum; otherwise the line is ignored. Params: filename -- a string that contains the name of a file Returns: The sum of all of the numbers in the file, or 0 if there are no numbers

Write a function called process_data that meets the specification written below. Your method should be programmed defensively and should handle any of the possible errors that may arise from reading from a file printing an appropriate error message to the screen. Function: process_data This function reads data from a file and calculates the sum of all of the values found in the file. It does this by reading the file one line at a time and if the line contains a single number, it adds that value to the sum; otherwise the line is ignored. Params: filename -- a string that contains the name of a file Returns: The sum of all of the numbers in the file, or 0 if there are no numbers

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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