Python Ninja

Using Functions

Why Use Functions?

Repeating code makes programs long and hard to maintain. Functions let you group commands into a reusable block, reducing repetition and making your code cleaner.

To call a function, simply use its name followed by parentheses, placing any required arguments inside those parentheses. For example, if you have a function named greet that takes a name of a person to greet, here is how you could call it:


javascript
greet("Alice")

Task

Swipe to start coding

Solution

def ninja_controller(ninja):

loot_diagonal(ninja)

loot_diagonal(ninja)

loot_diagonal(ninja)

def loot_diagonal(ninja):

ninja.go_up()

ninja.go_right()

ninja.pick_sushi()

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Section 3. Chapter 1

ninja.py

def ninja_controller(ninja):

loot_diagonal(ninja)

# Write your code below

def loot_diagonal(ninja):

ninja.go_up()

ninja.go_right()

ninja.pick_sushi()

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Python Ninja

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1. Basic Controls

In the "Basic Controls" section, you'll be introduced to the foundational features of Python through the engaging Ninja Game. You'll learn how to use Python commands to control your ninja's movements and interactions on the grid, mastering essential functions like moving, picking up, and placing sushi. Through hands-on practice, you'll apply these skills to solve fun challenges, reinforcing your understanding of Python's basic capabilities.

Practice. Collect Side Sushi

Practice. Collect Diagonal Sushi

Practice. Bypass an Obstacle

2. Advanced Controls

Movement Challenge

Practice. Pick and Move to the Corner

Practice. Move Sushi to the Center of the Box

Practice. Pick and Hide Sushi

3. Functions

In the "Functions" section, you'll delve into the powerful Python feature of creating and utilizing functions to streamline your code. You'll learn how to write functions to perform specific tasks, enhancing code reusability and clarity. By practicing decomposition, you'll break down complex problems into simpler functions, mastering the art of organized and efficient coding.

Using Functions

Writing Functions

Functions Practice. Collect Pits

Functions Practice. Make Diagonals

Decomposition Practice. Collect Angles

Decomposition Practice. Move Columns

Decomposition Practice. Collect Sections

4. Loops

In the "Loops" section, you'll explore the essential Python feature of loops, which allows you to execute repetitive tasks efficiently. You'll learn to implement both for loops and while loops, gaining the ability to automate actions and iterate over sequences. By mastering nested loops, you'll tackle more complex scenarios, enhancing your ability to write concise and powerful code.

For Loops Practice

5. If-Else Statements

In the "If-Else Statements" section, you'll learn how to use Python's conditional logic to make decisions within your code. You'll explore how if-else statements allow your ninja to respond dynamically to different scenarios, enabling more intelligent and adaptable behavior. Through practical exercises, you'll apply these concepts to solve challenges, enhancing your ability to write responsive and decision-driven code.

If-Else Statements

If-Else Statements Practice. Roll the Sushi

If-Else Statements Practice. Clear the Storage

If-Else Statements Practice. Follow the Sushi Snake

6. Challenges

In the "Challenges" section, you'll apply your Python skills to tackle a series of engaging and complex problems. These challenges will test your understanding of loops, functions, and conditional logic as you guide your ninja to align columns, build letters, and traverse intricate patterns. By solving these puzzles, you'll refine your coding abilities and gain confidence in applying Python to creative and real-world scenarios.

Challenge: Build letter K

Challenge: Build letter E

Challenge: Traverse Spiral

Challenge: Align two columns

7. Lists

In the "Lists" section, you'll learn how lists enable you to store multiple items, perform operations, and manage data efficiently. Through practical exercises, you'll apply these concepts to solve challenges, improving your ability to write organized and dynamic code for handling collections of information.

Introduction to Lists

Changing value by index

Iterating Through a List

Removing item by index

Removing item by value

Clearing the inventory