feat: add get_air_pollution function to airpyllution.py

src/AirPyllution/airpyllution.py

@@ -42,4 +42,29 @@ def get_pollution_history(start_date, end_date, lat, lon, api_key):
     0 1606482000 270.367 5.867 43.184 4.783 14.544 13.448 15.524 0.289
     1 1606478400 280.38 8.605 42.155 2.459 14.901 15.103 17.249 0.162
     2 1606474800 293.732 13.523 41.47 1.173 15.14 17.727 19.929 0.072
-    """ 
+    """ 
+
+def get_air_pollution(lat, lon, api_key):
+    """Returns a map depicting varying pollution levels for a specified location.
+    
+    The function makes an API request to the OpenWeather Air Pollution API and fetches
+    pollution data for a given location.
+
+    The function transforms the returned JSON object from the request into an altair chart.
+
+    Parameters
+    ----------
+    lat : float
+        geographical latitude coordinate for the location
+    lon : float
+        geographical longitude coordinate for the location
+    api_key: string
+        OpenWeather API key
+    Returns
+    -------
+    altair.Chart
+
+    Examples
+    --------
+    >>> get_air_pollution(49.2497, -123.1193, "APIKEY_example")
+    """