diff --git a/haversine_calculation/__init__.py b/haversine_calculation/__init__.py
new file mode 100644
index 000000000000..d55199b6460b
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+++ b/haversine_calculation/__init__.py
@@ -0,0 +1 @@
+# This file makes haversine_calculation a Python package
diff --git a/haversine_calculation/haversine.py b/haversine_calculation/haversine.py
new file mode 100644
index 000000000000..ad1411690704
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+++ b/haversine_calculation/haversine.py
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+import math
+
+
+def haversine(lat1: float, lon1: float, lat2: float, lon2: float) -> float:
+    """
+    Calculate the great circle distance in kilometers between two points
+    on the earth (specified in decimal degrees)
+
+    Args:
+        lat1 (float): Latitude of the first point in decimal degrees
+        lon1 (float): Longitude of the first point in decimal degrees
+        lat2 (float): Latitude of the second point in decimal degrees
+        lon2 (float): Longitude of the second point in decimal degrees
+
+    Returns:
+        float: Distance between the two points in kilometers
+
+    Examples:
+        >>> round(haversine(40.7128, -74.0060, 51.5074, -0.1278), 2)
+        5570.22
+        >>> haversine(0, 0, 0, 0)
+        0.0
+        >>> round(haversine(0, 0, 90, 0), 2)
+        10007.54
+    """
+    # Convert decimal degrees to radians
+    lat1, lon1, lat2, lon2 = map(math.radians, [lat1, lon1, lat2, lon2])
+
+    # Haversine formula
+    dlat = lat2 - lat1
+    dlon = lon2 - lon1
+    a = (
+        math.sin(dlat / 2) ** 2
+        + math.cos(lat1) * math.cos(lat2) * math.sin(dlon / 2) ** 2
+    )
+    c = 2 * math.asin(math.sqrt(a))
+    r = 6371  # Radius of earth in kilometers. Use 3956 for miles.
+    return c * r
+
+
+# Example usage
+if __name__ == "__main__":
+    # Coordinates of New York City and London
+    lat1, lon1 = 40.7128, -74.0060  # New York City
+    lat2, lon2 = 51.5074, -0.1278  # London
+
+    distance = haversine(lat1, lon1, lat2, lon2)
+    print(f"Distance between New York City and London: {distance:.2f} km")