Solution Manual and Answer Guide For Fundamentals of Python: First Programs 3rd Edition by Kenneth Lambert , ISBN: 9780357881019 COMPLETE GUIDE WITH RATIONALES 100% VERIFIED A+ GRADE ASSURED!!!!!!NEW LATEST UPDATE!!!!!

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FUNDAMENTALS OF PYTHON FIRST
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LAMBERT, FUNDAMENTALS OF PYTHON: FIRST PROGRAMS, 3E, CY24, 9780357881019; CHAPTER 1, INTR
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TABLE OF CONTENTS SI SI




Exercise Solutions ...................................................................................................................................... 1
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Exercise 1.1.............................................................................................................................................. 1
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Exercise 1.2.............................................................................................................................................. 2
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Exercise 1.3.............................................................................................................................................. 3
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Review Questions Answers ........................................................................................................................ 4
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Programming Exercises Solutions ............................................................................................................. 8
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Debugging Exercises Solutions .................................................................................................................. 8
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EXERCISE SOLUTIONS SI




EXERCISE1.1 SI




1. List three common types of computing agents.
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Solution:

Human beings, desktop computers, cell phones
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2. Write an algorithm that describes the second part of the process of making change (counting out the coins and bi
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lls).

Solution:

There are various ways to do this, but here is one:
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Repeat
Select the largest unit of money that is less than or equal to the remaining change Subtr
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act this unit from the remaining change
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Until the remaining change is 0
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The collection of units selected represent the change
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3. Write an algorithm that describes a common task, such as baking a cake.
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, Solution:

There are various ways to do this, but here is one:
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Preheat an oven to 375 degrees si si si si si




Add 1 cup of water and 1 egg to a mixing bowl
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Beat the liquid mixture in the bowl until the ingredients are blended Add th
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e contents of a boxed cake mix to the mixing bowl
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Beat the mixture in the bowl until the ingredients are blended
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Pour the contents ofthe mixing bowl into a lightly greased cake pan Bake
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the cake in the oven for 45 minutes
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4. Describe an instruction that is not well defined and thus could not be included as a step in an algorithm. Give a
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n example of such an instruction.
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Solution:

Attempting to divide a number by0 si si si si si si




5. In what sense isa laptop computer a general-purpose problem-solving machine?
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Solution:

Alaptop computer is a general-purpose problem-
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solving machine because it is programmable and can solve any problem for which there is an algorithm.
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6. List four devices that use computers and describe the information that they process. (Hint: Think of the input
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s and outputs of the devices.)
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Solution:
Digitalcamera—images, musicplayer—sound, cellphone—text, ATM—numbers
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EXERCISE1.2 SI




1. List two examples of input devices and two examples ofoutput devices.
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Solution:
Inputdevices—keyboard and mouse, outputdevices—monitor and speakers
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2. What does the central processing unit (CPU) do?
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Solution:
The CPU fetches, decodes, and executes instructions.
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3. Howisinformation represented inhardware memory?
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Solution:
Informationis represented using binary notation, which in hardware is a pattern of voltage levels. si si si si si si si si si si si si si si

, 4. What is the difference betweena terminal-based interface and a graphical user interface?
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Solution:
A terminal-
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based interface supports only the input and output of text with a keyboard and monitor. A graphical user interfac
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e supports the output of images and the manipulation of them with a pointing device, the mouse.
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5. What role do translators playin the programming process?
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Solution:
A translator converts a program written in a high-
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level language (human readable and writable) to an equivalent program in a low-
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level language (machine readable and executable).
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EXERCISE1.3 SI




1. Describe what happens when the programmer entersthe string "Greetings!" inthe Python shell.
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Solution:

Python reads the string "Greetings!", evaluates it, and displays this string (including single quotes) in the
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shell.


2. Write a line of code that prompts the user for their name and saves the user’s input in a variable called
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name.

Solution:
name= input("Enter your name: ")
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3. What is a Python script?
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Solution:

APython script is a complete Python programthat can be run froma computer’s operating system.
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4. Explain what goes on behind the scenes when your computer runs a Python program.
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Solution:

If the program has not already been translated, Python’s compiler translates it to byte code. The Python virtual m
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achine then executes this code.
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