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Computer Programming for Absolute Beginners

You're reading from   Computer Programming for Absolute Beginners Learn essential computer science concepts and coding techniques to kick-start your programming career

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Product type Paperback
Published in Jul 2020
Publisher Packt
ISBN-13 9781839216862
Length 430 pages
Edition 1st Edition
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Author (1):
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Joakim Wassberg Joakim Wassberg
Author Profile Icon Joakim Wassberg
Joakim Wassberg
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Toc

Table of Contents (19) Chapters Close

Preface 1. Section 1: Introduction to Computer Programs and Computer Programming
2. Chapter 1: Introduction to Computer Programs FREE CHAPTER 3. Chapter 2: Introduction to Programming Languages 4. Chapter 3: Types of Applications 5. Chapter 4: Software Projects and How We Organize Our Code 6. Section 2: Constructs of a Programming Language
7. Chapter 5: Sequence – The Basic Building Block of a Computer Program 8. Chapter 6: Working with Data – Variables 9. Chapter 7: Program Control Structures 10. Chapter 8: Understanding Functions 11. Chapter 9: When Things Go Wrong – Bugs and Exceptions 12. Chapter 10: Programming Paradigms 13. Chapter 11: Programming Tools and Methodologies 14. Section 3: Best Practices for Writing High-Quality Code
15. Chapter 12: Code Quality 16. Other Books You May Enjoy Appendix A: How to Translate the Pseudocode into Real Code 1. Appendix B: Dictionary

The pseudocode examples

In this section, we will look into a few code examples for pseudocode.

Hello world in pseudocode

The first example will be a short program that just prints Hello, World! to the screen.

In our pseudocode, it will look like this:

print "Hello, World!"

Variables declaration in pseudocode

In this example, we will create a couple of variables. The first one will store an integer. The second one will store the value from the first one but converted into a string:

my_int_value = 10
my_string_value = string(my_int_value)

The for loop in pseudocode

In this example, we will have a for loop that iterates 10 times and prints the values 0 to 9:

for i = 0 to 10
    print i
end_for

Functions in pseudocode

In this example, we will create a small function that will accept three integers as arguments. The function should then return the largest of them. We will also call the function and display the result.

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