Currency converter using forex(https://github.com/MicroPyramid/forex-python)
Input parameters:
- --amount - amount which we want to convert - float
- --input_currency - input currency - 3 letters name or currency symbol
- --output_currency - requested/output currency - 3 letters name or currency symbol
If output currency is missing, convert to all know currencies. If input/output currency is symbol, which is valid for more currency codes, convert from/to all valid currencies. Support for 33 currency codes and 24 currency symbols.