diff --git a/prep exercises/laptop-allocation/laptops.py b/prep exercises/laptop-allocation/laptops.py
new file mode 100644
index 0000000..4c7b0e8
--- /dev/null
+++ b/prep exercises/laptop-allocation/laptops.py	
@@ -0,0 +1,84 @@
+from dataclasses import dataclass
+from enum import Enum
+from typing import List
+
+class OperatingSystem(Enum):
+    MACOS= "macOS" 
+    ARCH= "Arch Linux"
+    UBUNTU= "Ubuntu"
+    WINDOWS = "windows"
+
+@dataclass(frozen=True)
+class Person:
+    name: str
+    age: int
+    preferred_operating_system: OperatingSystem
+
+@dataclass(frozen=True)
+class Laptop:
+    id: 1
+    manufacturer: str
+    model: str
+    screen_size_in_inches: float
+    operating_system: OperatingSystem
+
+laptops = [
+    Laptop(id=1, manufacturer="Dell", model="XPS", screen_size_in_inches=13, operating_system=OperatingSystem.ARCH),
+    Laptop(id=2, manufacturer="Dell", model="XPS", screen_size_in_inches=15, operating_system=OperatingSystem.UBUNTU),
+    Laptop(id=3, manufacturer="Dell", model="XPS", screen_size_in_inches=15, operating_system=OperatingSystem.UBUNTU),
+    Laptop(id=4, manufacturer="Apple", model="macBook", screen_size_in_inches=13, operating_system=OperatingSystem.MACOS),
+]
+
+
+def user_details():
+    user_name = input("Please enter your name: ")
+    user_age = int(input("Please enter your age: "))
+    user_preferred_operating_system = input("Now tell us your preferred operating system in capital letters, 'MACOS', 'ARCH', or 'UBUNTU': ")
+
+    os_in_enum = OperatingSystem[user_preferred_operating_system]
+    
+    return Person(name=user_name, age=user_age, preferred_operating_system=os_in_enum)
+
+
+user = user_details()
+
+def find_possible_laptops(laptops):
+    possible_laptops = []
+
+    print(user.preferred_operating_system)
+
+    for laptop in laptops:
+        if user.preferred_operating_system == laptop.operating_system:
+            possible_laptops.append(laptop)
+
+    return possible_laptops
+
+def find_most_common_os(laptops: List[Laptop]) -> OperatingSystem:
+    os_count = {}
+    
+    for laptop in laptops:
+        os = laptop.operating_system
+        os_count[os] = os_count.get(os, 0) + 1
+
+    most_common_os = max(os_count.items(), key=lambda x: x[1])
+
+    return most_common_os[0]
+
+# find_possible_laptops(laptops)
+
+def tell_user_outcome():
+    possible_laptops = find_possible_laptops(laptops)
+    most_common_os = find_most_common_os(laptops)
+
+
+    if len(possible_laptops) >= 1:
+        print(f"You're in luck, we have a laptop with your preferred os {user.preferred_operating_system.value}")
+              
+    elif any(laptop.operating_system == most_common_os for laptop in possible_laptops):
+        print(f"You're in luck, we have a laptop with your preferred os {user.preferred_operating_system.value}, we also have laptops operating {most_common_os.value}")
+
+    else:
+        print(f"Sorry, there are no longer laptops with {user.preferred_operating_system.value} available, but we are in position to lend you one with {most_common_os.value}")
+
+
+tell_user_outcome()
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