Python Homework: Dictionaries 📚

Exercise 1: Game Character (Teacher Example) 👤

📖 Dictionaries 🔑 Keys & Values

Part A: Create a dictionary called hero with these keys and values:

• "name": "Link"
• "hearts": 3
• "rupees": 100
• "weapon": "sword"

Print the entire dictionary.

Part B: Print individual values:

• Print the hero's name
• Print how many hearts they have
• Print how many rupees they have

Part C: Update the dictionary:

• Add 2 to hearts (hero found a heart container!)
• Subtract 50 from rupees (hero bought something)
• Change weapon to "master sword"
• Print the updated dictionary

Example Output:

=== Part A ===
{'name': 'Link', 'hearts': 3, 'rupees': 100, 'weapon': 'sword'}

=== Part B ===
Name: Link
Hearts: 3
Rupees: 100

=== Part C ===
{'name': 'Link', 'hearts': 5, 'rupees': 50, 'weapon': 'master sword'}

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Exercise 2: Pet Stats 🐱

📖 Dictionaries 🔑 Keys & Values

Part A: Create a dictionary called pet with:

• "name": your choice
• "type": "cat" or "dog" or any animal
• "age": any number
• "hunger": 50

Print the dictionary.

Part B: Print a sentence using the values: "[name] is a [age] year old [type]"

Part C:

• Increase hunger by 20
• Add a new key "happy" with value True
• Print the updated dictionary

Example Output:

=== Part A ===
{'name': 'Whiskers', 'type': 'cat', 'age': 3, 'hunger': 50}

=== Part B ===
Whiskers is a 3 year old cat

=== Part C ===
{'name': 'Whiskers', 'type': 'cat', 'age': 3, 'hunger': 70, 'happy': True}

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Exercise 3: High Scores 🏆

📖 Dictionaries 🔂 For Loops

Part A: Create a dictionary called scores with:

• "Alice": 250
• "Bob": 180
• "Charlie": 320
• "Diana": 200

Part B: Use a for loop to print each player and their score: "[player]: [score] points"

Part C: Find and print the highest score (you can do this manually by looking at the values - no need for max() function)

Example Output:

=== Part A & B ===
Alice: 250 points
Bob: 180 points
Charlie: 320 points
Diana: 200 points

=== Part C ===
Highest score: 320

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🎮 MINI PROJECT: Item Shop 🛒

📖 Dictionaries 🔂 For Loops 📥 Input 🔀 Conditionals

Build a simple shop where you can buy items!

Step 1: Create a dictionary called shop:

• "apple": 5
• "bread": 10
• "fish": 15
• "cake": 20

Step 2: Create a variable money = 50 and print "You have [money] coins"

Step 3: Print all items and prices using a for loop

Step 4: Use a while loop to let the player shop:

• Ask "Buy what? (or type 'quit'): "
• Check if the item is in the shop using if item in shop:
• Check if player has enough money: if money >= shop[item]:
• If yes: subtract price, print "Bought [item]! You have [money] coins left"
• If not enough money: print "Not enough coins!"
• If item not in shop: print "We don't sell that!"
• If they type "quit": break the loop

Step 5: Print final money amount

Example Output:

You have 50 coins

=== SHOP ITEMS ===
apple: 5 coins
bread: 10 coins
fish: 15 coins
cake: 20 coins

Buy what? (or type 'quit'): apple
Bought apple! You have 45 coins left

Buy what? (or type 'quit'): cake
Bought cake! You have 25 coins left

Buy what? (or type 'quit'): fish
Bought fish! You have 10 coins left

Buy what? (or type 'quit'): bread
Bought bread! You have 0 coins left

Buy what? (or type 'quit'): apple
Not enough coins!

Buy what? (or type 'quit'): sword
We don't sell that!

Buy what? (or type 'quit'): quit

Final coins: 0

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💡 Tips:

• Access dictionary values with: dict_name[key]
• Update values with: dict_name[key] = new_value
• Check if key exists: if key in dict_name:
• Loop through keys: for key in dict_name:
• Happy coding! 🎮