diff --git a/README.md b/README.md
index 28b42f0..54be398 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,8 @@
 
 Resources
 ---------
+- [Self enrole in this Brightspace](https://brightspace.tudublin.ie/d2l/le/discovery/view/course/479580)!
+
 * [The Coding Train](https://www.youtube.com/channel/UCvjgXvBlbQiydffZU7m1_aw)
 * [The Nature of Code](http://natureofcode.com/)
 * [Games Fleadh](http://www.gamesfleadh.ie/)
@@ -15,7 +17,6 @@ Resources
 - https://github.com/maurymarkowitz/101-BASIC-Computer-Games
 - [MSX Online](https://webmsx.org/)
 - https://codingbat.com/python
-- [Self enrole in this Brightspace](Creative Coding DMEDH1082: Sept-Dec Academic Term 2025/26)!
 
 ## Contact me
 * Email: bryan.duggan@tudublin.ie
@@ -24,11 +25,11 @@ Resources
 
 What you will need to install:
 
-- Python
-- Java
-- VSCode
-- Git
-- py5
+1. [Visual Studio Code](https://code.visualstudio.com/)
+2. [Python 3.13](https://www.python.org/downloads/release/python-3138/)
+3. [Java JDK](https://www.oracle.com/europe/java/technologies/downloads/)
+4. [Py5 Library](https://pypi.org/project/py5/)
+5. [Git](https://git-scm.com/downloads)
 
 ## Week 5 - Lists, dictionaries, slicing
 
@@ -42,55 +43,55 @@ What you will need to install:
 
 ### Task 1: Player Names and Welcome Messages
 Create a variable with a player name and practice string manipulation:
-- Store a player name like "SHADOWHUNTER_99"
-- Convert it to lowercase
-- Extract just the username part (before the underscore)
-- Create a welcome message using f-strings: "Welcome, {username}!"
+- Store a player name like `"SHADOWHUNTER_99"`
+- Convert it to lowercase.
+- Extract just the username part (before the underscore).
+- Create a welcome message using f-strings: `"Welcome, {username}!"`
 
 ### Task 2: Dialogue System
 Create a long dialogue string from a game NPC:
 ```python
 dialogue = "Greetings, traveler! I have a quest for you. Find the ancient sword in the dark forest."
 ```
-- Use slicing to extract just the first sentence
-- Get the last 20 characters
-- Extract every second character (step slicing)
-- Find the word "quest" using string methods
+- Use string slicing to extract just the first sentence.
+- Get the last 20 characters.
+- Extract every second character (step slicing).
+- Find the word "quest" using string methods.
 
 ### Task 3: Cheat Code Parser
 Game cheat codes often need to be processed:
-- Create a cheat code string: "POWERUP_HEALTH_MAX"
+- Create a cheat code string: `"POWERUP_HEALTH_MAX"`
 - Use `split()` to break it into parts
 - Use `replace()` to change underscores to spaces
-- Practice slicing to get the first word, last word, and middle word
+- Practice slicing to get the first word, last word, and middle word.
 
 ## Part 2: Lists for Game Elements
 
 ### Task 4: Inventory System
 Create a basic inventory using lists:
 - Make a list of 5 items: `["sword", "potion", "shield", "key", "map"]`
-- Add a new item to the inventory
-- Remove an item the player used
-- Check if a specific item is in the inventory
-- Print how many items the player has
+- Add a new item to the inventory.
+- Remove an item the player used, it can be any item of your choice.
+- Check if a specific item is in the inventory.
+- Print how many items the player has.
 
 ### Task 5: Enemy Spawn List
 Create a list of enemy types and manipulate it:
 - Start with: `enemies = ["goblin", "orc", "troll"]`
-- Add a boss enemy at the end
-- Insert a new enemy type at position 1
-- Create a slice of the first 2 enemies
-- Reverse the list to change spawn order
-- Make a copy of the list for a second level
+- Add a boss enemy at the end of the list.
+- Insert a new enemy type at index position 1.
+- Create a slice of the list containing the first 2 enemies.
+- Reverse the list to change spawn order.
+- Make a copy of the list for a second level.
 
 ### Task 6: High Scores
 Work with a list of numbers representing scores:
-- Create a list: `scores = [1500, 2300, 1800, 3200, 2100]`
-- Find the highest score using `max()`
-- Find the lowest score
-- Sort the scores in descending order
-- Get the top 3 scores using slicing
-- Calculate the average score
+- Create a list: `scores = [1500, 2300, 1800, 3200, 2100]`.
+- Find the highest score using `max()`.
+- Find the lowest score.
+- Sort the scores in descending order.
+- Get the top 3 scores using slicing.
+- Calculate the average score.
 
 ## Part 3: Dictionaries for Game Data
 
@@ -104,11 +105,11 @@ player = {
     "level": 1
 }
 ```
-- Access and print the player's health
-- Update the health after taking damage
-- Add a new stat like "experience"
-- Print all the stat names (keys)
-- Print all the values
+- Access and print the player's health.
+- Update the health after taking damage.
+- Add a new stat like "experience".
+- Print all the stat names (keys).
+- Print all the values.
 
 ### Task 8: Item Database
 Create a dictionary of game items with their properties:
@@ -119,11 +120,11 @@ items = {
     "shield": {"defense": 10, "type": "armor"}
 }
 ```
-- Access the damage value of the sword
-- Add a new item with its properties
-- Print all item names
-- Check if "potion" exists in the items
-- Update the shield's defense value
+- Access the damage value of the sword.
+- Add a new item with its properties.
+- Print all item names.
+- Check if "potion" exists in the items.
+- Update the shield's defense value to a number of your choice.
 
 ### Task 9: Game Settings
 Create a settings dictionary:
@@ -135,16 +136,18 @@ settings = {
     "controls": ["W", "A", "S", "D"]
 }
 ```
-- Change the difficulty to "hard"
-- Adjust the volume
-- Access the control keys and print just the first two
-- Add a new setting for screen resolution
+- Change the difficulty to "hard".
+- Adjust the volume to a value of your choice.
+- Access the control keys and print just the first two.
+- Add a new setting for screen resolution.
 
 ## Part 4: Combining Concepts with py5
 
 ### Task 10: Drawing Collectible Items
 Use a list to draw multiple coins on screen:
 ```python
+from py5 import *
+
 def setup():
     size(600, 400)
 
@@ -155,14 +158,18 @@ def draw():
     for x in coin_positions:
         fill(255, 215, 0)
         circle(x, 200, 30)
+
+run_sketch()
 ```
-- Run this code
-- Add y-coordinates by making it a list of lists: `[[100, 200], [200, 150], ...]`
-- Modify to draw coins at different positions
+- Run this code.
+- Add y-coordinates by making it a list of lists: `[[100, 200], [200, 150], ...]`.
+- Modify to draw coins at different positions.
 
 ### Task 11: Color-Coded Health Bar
 Use slicing and dictionaries to create a health bar:
 ```python
+from py5 import *
+
 player_stats = {
     "health": 75,
     "max_health": 100
@@ -191,13 +198,17 @@ def draw():
         fill(255, 0, 0)  # Red
     
     rect(50, 50, current_width, 30)
+
+run_sketch()
 ```
-- Experiment with different health values
-- Add a text label showing the health numbers
+- Experiment with different health values.
+- Add a text label showing the health numbers.
 
 ### Task 12: Enemy Wave System
 Create a system that spawns enemies in waves using lists and dictionaries:
 ```python
+from py5 import *
+
 current_wave = 0
 waves = [
     {"enemies": ["goblin", "goblin"], "count": 2},
@@ -225,16 +236,18 @@ def draw():
         text(f"{i+1}. {enemy}", 20, y_pos)
         y_pos += 25
 
-run()
+run_sketch()
 ```
-- Modify the code to add a 4th wave
-- Add a "boss" property to wave dictionaries (True/False)
-- Display boss waves differently
+- Modify the code to add a 4th wave.
+- Add a "boss" property to wave dictionaries (`True`/`False`)
+- Display boss waves differently.
 
 
-### Task 14: Inventory Grid Visualization
+### Task 13: Inventory Grid Visualization
 Create a visual inventory grid using nested lists:
 ```python
+from py5 import *
+
 inventory_grid = [
     ["sword", "potion", None],
     ["shield", None, "key"],
@@ -265,13 +278,12 @@ def draw():
                 text_align(CENTER, CENTER)
                 text(item, x + 40, y + 40)
 
-run()
+run_sketch()
 ```
-- Add more items to the grid
-- Change the grid to 4x4
-- Add color coding for different item types
+- Add more items to the grid so that it displays a 4x4 grid structure.
+- Add color coding for different item types.
 
-### Task 15: Player Profile System
+### Task 14: Player Profile System
 Combine everything into a complete player profile:
 ```python
 player_profile = {
@@ -282,17 +294,17 @@ player_profile = {
     "achievements": ["First Blood", "Survivor"]
 }
 ```
-- Access and print just the username (without the number)
-- Add a new item to inventory
-- Mark a quest as complete by removing it
-- Add a new achievement
-- Calculate total stat points
-- Create a formatted status report that prints all information nicely
+- Access and print just the username (without the number).
+- Add a new item to inventory.
+- Mark a quest as complete by removing it.
+- Add a new achievement.
+- Calculate total stat points.
+- Create a formatted status report that prints all information nicely.
 
 ## Bonus Challenges
 
 ### Bonus 1: Loot Drop System
-Create a random loot system using lists and dictionaries. Items should have rarity levels.
+Create a random loot system using lists and dictionaries. Items should have rarity levels. Tip: Use the [random](https://www.w3schools.com/python/ref_random_choices.asp) library to achieve this.
 
 ### Bonus 2: Dialogue Tree
 Build a branching dialogue system using nested dictionaries where each choice leads to different responses.
diff --git a/data_structures.py b/data_structures.md
similarity index 100%
rename from data_structures.py
rename to data_structures.md
diff --git a/week5/listsstrings.py b/week5/listsstrings.py
index 1b2e58e..3c1985e 100644
--- a/week5/listsstrings.py
+++ b/week5/listsstrings.py
@@ -51,12 +51,10 @@
 all_players = [{"name": "Pat", "health": 60, "armor": 80}]
 all_players.append(bryan)
 
-for i in range(len(all_players)):
-    print(f"{all_players[i]["name"]}")
-    print(f"{all_players[i]["health"]}")
-    print(f"{all_players[i]["armor"]}")
-
-s = "Grace Murry Hopper"
+for player in all_players:
+    print(f"{player['name']}")
+    print(f"{player['health']}")
+    print(f"{player['armor']}")
 
 names = s.split(" ")
 
@@ -66,20 +64,22 @@
 for n in names:
     print(n)
 
+s = "Grace Murry Hopper"
+s_lower = s.lower()
+print(s_lower)
+
+if s.startswith("Grace"):
+    print("I invented COBOL")
 
 cards = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, "Jack", "Queen", "King", "Ace"]
 suits = ["Clubs", "Spades", "Hearts", "Diamonds"]
 
 for i in range(100):
-    ca = random.randrange(0, len(cards))
-    su = random.randrange(0, len(suits))
-    print(f"The {cards[ca]} of {suits[su]}")
+    selected_card = random.choice(cards)
+    selected_suit = random.choice(suits)
+    print(f"The {selected_card} of {selected_suit}")
 
-if s.startswith("Grace"):
-    print("I invented COBOL")
 
-s_lower = s.lower()
-print(s_lower)
 
 power_ups = [{"x": 100, "y": 200}, 
              {"x": 200, "y": 150},
@@ -92,10 +92,10 @@
 objects = ["child", "pot", "aeroplane", "car", "bicycle", "steam deck", "ufo", "tin whistle", "laptop", "joystick", "xbox"]
 days = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"]
 for i in range(7):
-    rand_chr = random.randrange(0, len(chrs))
-    rand_verbs = random.randrange(0, len(verbs))
-    rand_objs = random.randrange(0, len(objects))
-    print(f"The {chrs[rand_chr]} {verbs[rand_verbs]} the {objects[rand_objs]} on {days[i]}")
+    rand_chr = random.choice(chrs)
+    rand_verbs = random.choice(verbs)
+    rand_objs = random.choice(objects)
+    print(f"The {rand_chr} {rand_verbs} the {rand_objs} on {days[i]}")
 
 
 
@@ -104,8 +104,7 @@ def setup():
 
 def draw():
     global power_ups
-    for i in range(len(power_ups)):
-        power = power_ups[i]
+    for power in power_ups:
         py5.circle(power["x"], power["y"], 50)
     
 py5.run_sketch()