getting currency exchange rate to jsonl
data based on https://freecurrencyrates.com/
from currency to currencys at recent times ex) KRW to USD and JPY
ExchangeRate -from KRW -to USDJPY
{"FromCurrencyCode":"KRW","ToCurrncyCode":"USD","ExchangeRate":0.0008291480646093758,"BaseDate":"2020-06-15T06:00:20Z"} {"FromCurrencyCode":"KRW","ToCurrncyCode":"JPY","ExchangeRate":0.08901716260829276,"BaseDate":"2020-06-15T06:00:20Z"}
if need USD to KRW and JPY to KRW then
ExchangeRate -from KRW -to USDJPY -reverse
you can get
{"FromCurrencyCode":"USD","ToCurrncyCode":"KRW","ExchangeRate":1206.057208215417,"BaseDate":"2020-06-15T06:00:20Z"} {"FromCurrencyCode":"JPY","ToCurrncyCode":"KRW","ExchangeRate":11.233788751505779,"BaseDate":"2020-06-15T06:00:20Z"}