Tutorial de algoritmos de programación | Cursos Platzi

Platzi

31 Jul 201407:03

Summary

TLDRThis video teaches the basics of programming using a Pokémon battle as an example. It explains how to create an algorithm for a Pokémon fight, covering key programming concepts like objects, variables, and loops. The instructor walks through the process step-by-step, showing how Pikachu and Jigglypuff battle until one is defeated. This lesson aims to simplify programming by relating it to a familiar and engaging context, making it accessible even for beginners. The video is part of a free online programming course offered by Mejorándola on the Platzi platform.

Takeaways

🔄 Programming is like understanding the flow of any process.
🐾 The example uses Pokémon to illustrate programming concepts.
💡 Pokémon battles are turn-based, making it easier to explain algorithm cycles.
📝 Each Pokémon is considered an object in programming with attributes like name, health, and attack power.
📊 Variables are used to store data, like the health of each Pokémon.
🔄 A cycle (loop) continues as long as certain conditions (like health > 0) are met.
⚔️ On each turn, a Pokémon attacks, reducing the opponent's health by its attack power.
🔀 The turn variable switches between 1 and 0 to alternate between Pokémon.
✅ The loop ends when one Pokémon's health drops to zero or below.
🏆 After the loop, the program checks which Pokémon is still alive to determine the winner.

Q & A

What is the main topic discussed in the script?
-The script discusses the basics of programming using a Pokémon battle as an analogy to explain concepts like objects, variables, conditions, and loops.
How does the speaker use Pokémon to explain programming?
-The speaker uses a Pokémon battle between Pikachu and Jigglypuff to illustrate how programming works, including the use of objects to represent Pokémon, variables to store their attributes, and loops to manage the turn-based battle sequence.
What are the key programming concepts introduced in the script?
-The key programming concepts introduced are objects, variables, conditions, loops, and how to assign and manipulate values within a program.
How does the speaker define an object in programming?
-An object in programming is defined as something that has properties and behaviors. In the example, each Pokémon is an object with properties like name, life (health points), and attack power.
What variables are used to represent the Pokémon's attributes in the example?
-The variables used are 'name' for the Pokémon's name, 'life' for their health points, and 'attack' for their attack power.
What is the initial life and attack power of Pikachu and Jigglypuff in the example?
-Pikachu starts with a life of 100 and an attack power of 55. Jigglypuff also starts with a life of 100 but has an attack power of 45.
How is the turn-based battle managed in the script?
-The turn-based battle is managed using a variable called 'turn'. If 'turn' equals 1, it is Pikachu's turn to attack; if 'turn' equals 0, it is Jigglypuff's turn.
What happens during each turn of the battle?
-During each turn, the attacking Pokémon reduces the opponent's life by its attack power. The turn variable is then switched to allow the other Pokémon to attack in the next cycle.
What condition is checked to continue or end the battle?
-The battle continues as long as both Pokémon have a life greater than 0. If either Pokémon's life falls to 0 or below, the battle ends.
How does the script explain the use of loops in programming?
-The script explains that loops in programming are used for repetitive tasks that continue while a condition is true. In the battle example, the loop continues as long as both Pokémon are alive.
What is the outcome of the Pokémon battle in the example?
-Pikachu wins the battle because its attack power is higher, leading to Jigglypuff's life being reduced to below 0 before Pikachu's life is reduced to 0.
How does the script use algebra to explain variable assignments?
-The script uses algebra to explain how variables can hold values that change over time, such as the life points of the Pokémon being updated after each attack.
What is the purpose of the conditional statement at the end of the algorithm?
-The conditional statement at the end of the algorithm checks which Pokémon's life is less than or equal to 0 to determine the winner of the battle.
What additional resources does the speaker mention for learning programming?
-The speaker mentions that the full course, including live classes and practical examples, is available on the educational platform 'Platzi' and encourages viewers to access the JavaScript files for real-world programming practice.

Outlines

00:00

🐱‍💻 Understanding Programming through Pokémon

Programming is as easy as understanding the flow of any process. Using Pokémon as an example, even for those who are not familiar with the game, the concept can be grasped easily. Pokémon involves battles between two creatures. Here, Pikachu and Jigglypuff are used to demonstrate the concept. Both Pokémon have common attributes like names, health (starting at 100), and attack power (Pikachu has 55, Jigglypuff has 45). The battle operates in turns, similar to algebraic variables, where each Pokémon attacks in cycles until one's health drops to zero. The turn system is managed using variables, with Pikachu attacking first. The battle sequence is explained in detail, highlighting how variables and conditions are used to simulate the combat until a Pokémon loses all its health.

05:00

🔄 The Pokémon Battle Algorithm

The battle continues with Jigglypuff attacking after Pikachu, reducing Pikachu's health. This cycle repeats until one Pokémon's health drops below zero. The script explains the process in detail, demonstrating how the program evaluates whose turn it is, performs the attack, and updates the health points accordingly. When Jigglypuff's health falls below zero, the cycle ends. The algorithm then checks the final conditions to determine the winner. Pikachu's health remains above zero, indicating its victory. This example encapsulates basic programming concepts like variables, conditions, and loops, providing a foundational understanding for beginners. The course promises to expand on these concepts with practical JavaScript examples, available for free through the provided platform.

Mindmap

Keywords

💡Programar

The term 'Programar' refers to the act of writing code or instructions for a computer to follow. It is central to the video's theme of teaching programming concepts through a relatable example. In the script, 'Programar' is used to introduce the idea of creating an algorithm for a Pokémon battle, which simplifies the process into understandable steps.

💡Flujo de proceso

'Flujo de proceso' translates to 'process flow' and is a concept that represents the sequence of steps in a process. It is essential in programming for structuring algorithms. In the script, the presenter uses the process flow to explain how the Pokémon battle algorithm will be structured, emphasizing the step-by-step approach.

💡Objeto

In programming, 'Objeto' or 'object' refers to a data structure that combines data and functions into a single unit. The script uses Pokémon characters as objects, each with attributes like name, health, and attack power, to illustrate how objects are used in programming.

💡Algebra

'Algebra' is a branch of mathematics concerned with finding values of variables. In the context of the video, algebra is mentioned as a useful tool for understanding variables and their manipulation in programming. The script uses algebraic concepts to explain how health points are reduced during the Pokémon battle.

💡Variables

A 'Variable' in programming is a storage location paired with an associated symbolic name, which contains some known or unknown quantity of information. The script introduces the concept of variables by using them to keep track of whose turn it is in the Pokémon battle and to store the health and attack values of each Pokémon.

💡Ciclos

'Ciclos' or 'loops' are a programming construct that allows code to be executed repeatedly while a condition holds true. The script explains how loops are used in the Pokémon battle algorithm to simulate turns until one Pokémon's health reaches zero.

💡Condiciones

'Condiciones' or 'conditions' in programming are statements that determine the flow of execution by evaluating an expression to true or false. In the script, conditions are used to check if the Pokémon are still alive (health > 0) and to exit the loop when one Pokémon's health falls below zero.

💡Turno

'Turno' or 'turn' in the context of the video refers to the sequence in which Pokémon get to attack. The script uses the concept of turn to alternate between Pikachu and Gigli, illustrating how sequential operations are managed in programming.

💡Ataque

'Ataque' or 'attack' in the script represents the action one Pokémon performs to reduce the health of the other. It is used to demonstrate how attributes of objects (like attack power) interact within the algorithm.

💡Vida

'Vida' or 'health' in the script is an attribute of the Pokémon objects, representing their current state of well-being. Health points are central to the battle algorithm, as they determine when a Pokémon is defeated.

💡Pikachu

Pikachu is a character from the Pokémon franchise and is used as an example in the script to illustrate programming concepts. As a well-known Pokémon, it helps make the programming concepts more relatable to the audience.

💡Gigli

Gigli, though not an official Pokémon, is used in the script as a second character to demonstrate a battle scenario alongside Pikachu. It serves to provide a contrast in attributes, such as health and attack power, which is crucial for illustrating programming logic.

💡JavaScript

JavaScript is a programming language often used for web development. In the script, it is mentioned as the language in which the complete course files are provided, indicating that the concepts taught will be applicable in real-world programming scenarios.

Highlights

Programming is as easy as understanding the flow of any process.

Pokémon battle concept: putting two animals to fight, likened to objects in programming.

Each Pokémon has attributes like name, health (100), and attack power.

Example Pokémon: Pikachu with 55 attack points and Jigglypuff with 45 attack points.

Battle operates in turns: first one Pokémon attacks, then the other.

Declare Pokémon with their health and determine whose turn it is.

Use algebra concepts: variables to store data, like turn and health.

Create a loop for the battle: cycle through attacks until one Pokémon's health is 0 or less.

Steps in the loop: check turn, execute attack, update health, and switch turn.

Example attack sequence: Pikachu attacks Jigglypuff, reducing its health.

Switch turns and continue the loop until one Pokémon's health drops below zero.

When the loop ends, check which Pokémon's health is 0 or less to declare the winner.

Explanation of conditions and loops in programming with the Pokémon battle example.

Learning outcomes: understanding variables, conditions, and loops in programming.

Invitation to a free online programming course with real-world coding examples.