Write a module to evaluate an IPv4 address input by the user.The initial “__main__” block will accept user input via an “input()” function.A first function will then be called with the user’s input as a single argument for evaluation. If all the four octets in the IPv4 address are between 0 and 255, then the function return “True.” Else, “False” is returned, and the user is advised that the address in “Invalid.”If the first test is successful, the “__main__” block calls a second function with the valid IPv4 address as argument. The second function returns the class of the IP address, per the following rule:If the IP address is: a.b.c.d, where a, b, c, d are numbers, the value of “a” will determine the class of the IP address.if a < 128 ==> class Aif 128 <= a <= 191 ==> Class Bif 192 <= a <= 223 ==> Class Cif 224 <= a <= 239 ==> Class Dif 240<= a <= 255 ==> Class E

Answer: Python Source Code: def IPV4(): a = int(input("Enter Address: ")) if a <= 128:…

Answered: Write a module to evaluate an IPv4…

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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Write a module to evaluate an IPv4 address input by the user.

The initial “__main__” block will accept user input via an “input()” function.
1. A first function will then be called with the user’s input as a single argument for evaluation. If all the four octets in the IPv4 address are between 0 and 255, then the function return “True.” Else, “False” is returned, and the user is advised that the address in “Invalid.”
2. If the first test is successful, the “__main__” block calls a second function with the valid IPv4 address as argument. The second function returns the class of the IP address, per the following rule:

If the IP address is: a.b.c.d, where a, b, c, d are numbers, the value of “a” will determine the class of the IP address.
- if a < 128 ==> class A
- if 128 <= a <= 191 ==> Class B
- if 192 <= a <= 223 ==> Class C
- if 224 <= a <= 239 ==> Class D
- if 240<= a <= 255 ==> Class E

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