Update app.py

app.py

@@ -1,17 +1,19 @@
 import gradio as gr
 import requests
 
+def kelvin_to_celsius(temp_kelvin):
+    return temp_kelvin - 273.15
+
 def get_weather(city_name, api_key):
     base_url = "http://api.openweathermap.org/data/2.5/weather?"
     complete_url = base_url + "q=" + city_name + "&appid=" + api_key
     response = requests.get(complete_url)
     data = response.json()
     
-    # Check if the API response was successful
     if data.get("cod") == 200:
         main_data = data.get("main", {})
         weather_data = data.get("weather", [{}])[0]
-        temperature = main_data.get("temp", "N/A")
+        temperature = kelvin_to_celsius(main_data.get("temp", 0))
         pressure = main_data.get("pressure", "N/A")
         humidity = main_data.get("humidity", "N/A")
         weather_description = weather_data.get("description", "N/A")
@@ -27,24 +29,32 @@ def compare_weather(city1, city2):
     if weather1 and weather2:
         comparison = f"""
         {city1}:
-        Temperature: {weather1[0]} K
+        Temperature: {weather1[0]:.2f}°C
         Pressure: {weather1[1]} hPa
         Humidity: {weather1[2]}%
-        Description: {weather1[3]}
+        Condition: {weather1[3]}
         
         {city2}:
-        Temperature: {weather2[0]} K
+        Temperature: {weather2[0]:.2f}°C
         Pressure: {weather2[1]} hPa
         Humidity: {weather2[2]}%
-        Description: {weather2[3]}
+        Condition: {weather2[3]}
         """
         return comparison
     else:
         return "Error fetching weather data for one or both cities."
 
-interface = gr.Interface(fn=compare_weather, 
-                         inputs=["text", "text"], 
-                         outputs="text")
+# Sample cities for dropdown
+cities = ["New York", "Los Angeles", "London", "Paris", "Tokyo", "Sydney", "Moscow", "Mumbai", "Cape Town", "Rio de Janeiro"]
+
+interface = gr.Interface(
+    fn=compare_weather,
+    inputs=[
+        gr.inputs.Dropdown(choices=cities, label="City 1"),
+        gr.inputs.Dropdown(choices=cities, label="City 2")
+    ],
+    outputs="text"
+)
 
 if __name__ == "__main__":
     interface.launch()