ai-data-management-lab

ex1.py

# Exercise A.0.1 - Cinnamon Buns Price Calculator

PRICE_REGULAR = 35
DISCOUNT_RATE = 0.60

num_buns = int(input("Enter the number of day-old Kanelbulle: "))

# Price calculations
regular_price = num_buns * PRICE_REGULAR
discount_amount = regular_price * DISCOUNT_RATE
total_price = regular_price - discount_amount

print(f"Regular Price: {regular_price:8.2f} SEK")
print(f"Discount:     {discount_amount:8.2f} SEK")
print(f"Total Price:  {total_price:8.2f} SEK")

ex2.py

# Exercise A.0.2 - Human Years to Dog Years

def human_to_dog_years(human_years):
    if human_years < 0:
        return "Error: Age cannot be negative."
    elif human_years <= 2:
        return human_years * 10.5
    else:
        return (2 * 10.5) + ((human_years - 2) * 4)

human_years = float(input("Enter the human years: "))
dog_years = human_to_dog_years(human_years)

print(f"Equivalent dog years: {dog_years}")

ex3.py

# Exercise A.0.3 - Prime Number Checker
# determines whether a given integer is a prime number.

def is_prime(n):
    if n < 2:
        return False
    for i in range(2, int(n ** 0.5) + 1):
        if n % i == 0:
            return False
    return True

num = int(input("Enter a number: "))
if is_prime(num):
    print(f"{num} is a prime number.")
else:
    print(f"{num} is not a prime number.")

ex4.py

# Exercise A.0.4 - Find the Next Prime Number
# finds and returns the first prime number greater than a given integer. Uses code from previous file

from lab3 import is_prime


def next_prime(n):
    n += 1
    while not is_prime(n):
        n += 1
    return n

num = int(input("Enter a number: "))
print(f"The next prime number after {num} is {next_prime(num)}.")

ex5.py

# Exercise A.0.5 - Coin Flip Until 3 Consecutive Matches

import random

def flip_coin():
    return "H" if random.choice([True, False]) else "T"

flips = []
count = 0

while True:
    outcome = flip_coin()
    flips.append(outcome)
    count += 1

    if len(flips) >= 3 and flips[-3:] in (["H", "H", "H"], ["T", "T", "T"]):
        break

print(" ".join(flips))
print(f"Total flips: {count}")

ex6.py

# Exercise A.0.6 - Creating and Shuffling a Deck of Cards
# generates a standard 52-card deck and shuffles it.

import random

def create_deck():
    suits = ['s', 'h', 'd', 'c']
    values = ['2', '3', '4', '5', '6', '7', '8', '9', 'T', 'J', 'Q', 'K', 'A']
    return [v + s for v in values for s in suits]

def shuffle_deck(deck):
    shuffled_deck = deck[:]
    for i in range(len(shuffled_deck)):
        j = random.randint(0, len(shuffled_deck) - 1)
        shuffled_deck[i], shuffled_deck[j] = shuffled_deck[j], shuffled_deck[i]
    return shuffled_deck

deck = create_deck()
shuffled_deck = shuffle_deck(deck)

print("Before shuffling:", deck)
print("After shuffling:", shuffled_deck)

ex7.py

# Exercise A.0.7 - Dealing Cards Using a Class
# creates a deck, shuffles it, and deals a specified number of hands.

import random

class Cards:
    def __init__(self):
        self.cards = []

    def create(self):
        suits = ['♠ spade', '♥ heart', '♦ diamond', '♣ club']
        values = ['2', '3', '4', '5', '6', '7', '8', '9', 'T', 'J', 'Q', 'K', 'A']
        self.cards = [v + ' ' + s for v in values for s in suits]

    def shuffle(self):
        random.shuffle(self.cards)

    def deal(self, hands, card_num):
        if hands * card_num > len(self.cards):
            print("Not enough cards to deal.")
            return []

        dealt_hands = [[] for _ in range(hands)]
        for i in range(card_num):
            for j in range(hands):
                dealt_hands[j].append(self.cards.pop(0))
        return dealt_hands

deck = Cards()
deck.create()
deck.shuffle()

num_players = int(input("Enter the number of players: "))
num_cards = int(input("Enter the number of cards per player: "))

dealt_hands = deck.deal(num_players, num_cards)

for i, hand in enumerate(dealt_hands, 1):
    print(f"Player {i}: {hand}")