Update app.py

app.py

@@ -5,13 +5,11 @@ import sys
 # Replace YOUR_API_KEY_HERE with your actual API key from OpenWeatherMap
 api_key = "1aafc3163909c1493596da9340e00aee"
 
-# Check if a city name was provided as a command line argument
+# Get the city name from the command line arguments, or use a default value
 if len(sys.argv) < 2:
-    print("Please provide a city name as a command line argument.")
-    sys.exit(1)
-
-# Get the city name from the command line arguments
-city_name = sys.argv[1]
+    city_name = "London"
+else:
+    city_name = sys.argv[1]
 
 # Make the API call to get the current weather details
 url = f"https://api.openweathermap.org/data/2.5/weather?q={city_name}&appid={api_key}"