diff --git a/01-data-model/car.py b/01-data-model/car.py
new file mode 100644
index 0000000..24e4113
--- /dev/null
+++ b/01-data-model/car.py
@@ -0,0 +1,29 @@
+import collections
+
+Car = collections.namedtuple('Car', ['Make', 'Model'])
+
+class CarCollection:
+    makes = ['Toyota', 'Ford', 'Honda', 'BMW']
+
+    models = {
+        'Toyota': ['Camry', 'Corolla', 'Prius'],
+        'Ford': ['F-150', 'Mustang', 'Focus'],
+        'Honda': ['Civic', 'Accord', 'CR-V'],
+        'BMW': ['X5', 'M3', 'i8']
+    }
+
+    def __init__(self):
+        self._cars = [Car(make, model) for make in self.makes for model in self.models[make]]
+
+    def len(self):  # Corrected the variable name
+        return len(self._cars)
+
+    def __getitem__(self, position):
+        return self._cars[position]
+
+# Create an instance
+cars = CarCollection()
+
+# Call len() correctly
+print(cars.len())  # Output: 12 (since 4 makes × 3 models each = 12 cars)
+print(cars.__getitem__(3))
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