Currency converter

Currency convertor as a homework for kiwi.com. Program converts amount from input currency into output currency.

Installation

Script uses Python 2.7 and its libraries: requests, json, sys, getopt. If your Python installation does not include any of them, install them using pip. Copy currency_converter.py and symbols.py into same folder.

Usage

Run from command line with following parameters:

currency_converter.py --amount <float> --input_currency <3 letter currency code or symbol> --output_currency <3 letter currency code or symbol>

• --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

Parameters amount and input_currency are required. If output_currency param is missing, amount will be converted to all known currencies.

Output

• json with following structure.

{
    "input": { 
        "amount": <float>,
        "currency": <3 letter currency code>
    }
    "output": {
        <3 letter currency code>: <float>
    }
}

Example

Call:

currency_converter.py --amount 100.0 --input_currency EUR --output_currency Kč

Result:

{
    "input": {
        "amount": 100.0,
        "currency": "EUR"
    },
    "output": {
        "CZK": 2702.1
    }
}