1. Make accounts at EmailJS and api.currencylayer.com for automatic Emails and fetching live USDINR rates. Variables in email templates on EmailJS are as follows

    email id will have a value of           {{email}}
    Email will have an entry of             {{converted}}                   for data to be passed to email.

    Both of these variables are visible on line no. 114 of csv_to_table.html

2. Insert your keys of EmailJS and api.currencylayer.com in place of following variables in files:

        <YOUR_CURRENCYAPI_KEY>       static/table_format_convert.js
        <YOUR_EMAIL_KEY>                    static/csv_to_table.html

3. In terminal, go to the folder rupee_dollar_automail_js and make an environment variable FLASK_APP
    On linux or unix, it can be made with following commands.
    
        export FLASK_APP = rupeeDollar.py

4. flask run

5. Above code will host a local server on such a link http://127.0.0.1:5000/    .Open it in your web browser and navigate the site.