Python Programming: An Introduction to Computer Science, 3rd Ed.
3rd Edition
ISBN: 9781590282755
Author: John Zelle
Publisher: Franklin, Beedle & Associates
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Chapter 11, Problem 6PE
Program Plan Intro
Shuffling the list
- Import required package.
- Give function definition “shuffle ()” to shuffle the list.
- Create an empty list.
- Loop through the length of “myList”.
- Calculate the random value.
- Append the item to the new list.
- Remove the item from “myList”.
- Return the “newList”.
- Define the main function.
- Create a list with some values.
- Call the function “shuffle ()” by passing “myList” as the argument.
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Write a function with below starting function:
public static void printFirstAnd Last(ArrayList list)
The approach should accomplish the following:
Print "no elements" if the list is empty.
Print the single element in the list if there is only one.
Print the first entry in a list with more than one element, followed by a space, and then the last
element.
Exercise B: "Matrix Addition"
For this exercise you will design and implement a function that takes two matrix arguments and
computes their sum (if and only if a sum can actually be computed, returning an empty list
otherwise). Two matrices can only be added together if they have exactly the same dimensions. If
the dimensions are acceptable, then the matrix sum will have the same dimensions as either of the
operands, and the value of each element in the matrix sum is itself the sum of the corresponding
elements in the operand matrices. And although it does makes sense to test rectangularity before
attempting addition, you need not perform this step (since you did it above).
In order to complete this task, you will need to:
ensure you know how matrix addition can be performed²
●
Your submission for this exercise:
Write and test a function shuffle (my List ) that scrambles a list into arandom order, like shuffling a deck of cards.
Chapter 11 Solutions
Python Programming: An Introduction to Computer Science, 3rd Ed.
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