└── cconverter.py


/cconverter.py:
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 1 | import requests
 2 | import json
 3 | 
 4 | 
 5 | def print_message(amount, rate, code):
 6 |     print(f'You received {round(amount * rate, 2)} {code.upper()}.')
 7 | 
 8 | 
 9 | def main():
10 |     my_currency_code = input().lower()
11 |     r = requests.get(f'http://www.floatrates.com/daily/{my_currency_code}.json')
12 |     if my_currency_code.lower() != 'usd':
13 |         exchange_cache = {'usd': json.loads(r.content)['usd']['rate'],
14 |                           'eur': json.loads(r.content)['eur']['rate']}
15 |     else:
16 |         exchange_cache = {'usd': 1,
17 |                           'eur': json.loads(r.content)['eur']['rate']}
18 | 
19 |     while True:
20 |         receive_currency_code = input().lower()
21 |         if not receive_currency_code:
22 |             break
23 |         my_currency_amount = float(input())
24 |         print(f'Checking the cache...')
25 |         if receive_currency_code in exchange_cache:
26 |             print(f'Oh! It is in the cache!')
27 |             print_message(my_currency_amount, exchange_cache[receive_currency_code], receive_currency_code)
28 |         else:
29 |             print(f'Sorry, but it is not in the cache!')
30 |             exchange_cache[receive_currency_code] = json.loads(r.content)[receive_currency_code]["rate"]
31 |             print_message(my_currency_amount, exchange_cache[receive_currency_code], receive_currency_code)
32 | 
33 | 
34 | if __name__ == '__main__':
35 |     main()
36 | 


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