5. Charge Account ValidationIf you have downloaded the source code from the Computer Science Portal you will finda file named charge_accounts.txt in the Chapter 07 folder. This file has a list of a com-pany's valid charge account numbers. Each account number is a seven-digit number, suchas 5658845.Programming Exercises 403programWrite a program that reads the contents of the file into a list. The program should thenask the user to enter a charge account number. The program should determine whetherthe number is valid by searching for it in the list. If the number is in the list, theshould display a message indicating the number is valid. If the number is not in the list, theprogram should display a message indicating the number is invalid.(You can access the

Below is an example of a Python program that accomplishes the task described:1def…

5. Charge Accoun If you have downloac a file named charge_a pany's valid charge acc as 5658845. Write a program that ask the user to enter a the number is valid by s should display a messag program should display

5. Charge Accoun If you have downloac a file named charge_a pany's valid charge acc as 5658845. Write a program that ask the user to enter a the number is valid by s should display a messag program should display

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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Concept explainers

User Defined DataType

The data type is a format to store data that contains a particular range or type of value. It specifies which type of value a variable should have. In other words, a data type describes the type of data that variables can store. When a program stores data in the variables, then every variable needs to be assigned value that falls within the range of its data type. The following are some of the data types:

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5. Charge Account Validation
If you have downloaded the source code from the Computer Science Portal you will find
a file named charge_accounts.txt in the Chapter 07 folder. This file has a list of a com-
pany's valid charge account numbers. Each account number is a seven-digit number, such
as 5658845.
Programming Exercises 403
program
Write a program that reads the contents of the file into a list. The program should then
ask the user to enter a charge account number. The program should determine whether
the number is valid by searching for it in the list. If the number is in the list, the
should display a message indicating the number is valid. If the number is not in the list, the
program should display a message indicating the number is invalid.
(You can access the

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