[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

haversine_calculation/haversine.py

@@ -1,26 +1,31 @@
 import math
 
+
 def haversine(lat1, lon1, lat2, lon2):
     """
-    Calculate the great circle distance in kilometers between two points 
+    Calculate the great circle distance in kilometers between two points
     on the earth (specified in decimal degrees)
     """
-    # Convert decimal degrees to radians 
+    # 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.
+
+    # 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
-    
+    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")