valueerror: currency formatting is not possible using the 'c' locale.
By Gladys Shanahan at Jul 13 2021
https://forum.manager.io/t/currency-for-amount-in-words/22025/3
By Busy Buffalo at Jun 03 2021
Given a double-precision number, , denoting an amount of money, use the NumberFormat class' getCurrencyInstance method to convert into the US, Indian, Chinese, and French currency formats
By Herman Rippin at Apr 07 2020