This code will take the name of places from where.txt and then use forward Geocode API to get the coordinates of that location, then the coordinates are stored in javascript file and the webpage is opened automatically, to show the pin locations on map.
To install configparser pip install configparser or check here
If you have Google Geocode API, so use that, otherwise you can use
Open Cage API (its free, 2500 requests/day).
Enter the API key and service URL in config file (without qoutes) and the places to be marked in where.txt file, then run the script.