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Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

Create a python program

a) Add a function called reversed_ascii_caps() to this program that takes a list of characters as its input parameter and returns a list of integers that contains the ASCII code of every uppercase character in the input-list in the reversed order.

Sample output:

>>> result = reversed_ascii_caps(['H', 'e', 'l', 'L', 'o', 'W', 'o', 'r', 'l', 'D'])

>>> print(result)

[68, 87, 76, 72]

Note that the ASCII codes for the characters 'H', L', 'W', and 'D' are 72, 76, 87, and 68, respectively. And they appeared in the reversed order in the resulting list.

You must not use negative indexing (i.e., the numbers you write in the square brackets to retrieve a value from the list must be nonnegative).
You must not use the built-in list.reverse() method.
You may use ord() and chr() functions in your solutions.

b) Write three (3) unit tests in your program to show that your function works for 3 different classes of inputs. No need to write another function for this. No need to write a main() function for this program.

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