exercism/python/currency-exchange/exchange.py

69 lines
1.9 KiB
Python

def exchange_money(budget, exchange_rate):
"""
:param budget: float - amount of money you are planning to exchange.
:param exchange_rate: float - unit value of the foreign currency.
:return: float - exchanged value of the foreign currency you can receive.
"""
pass
def get_change(budget, exchanging_value):
"""
:param budget: float - amount of money you own.
:param exchanging_value: int - amount of your money you want to exchange now.
:return: float - amount left of your starting currency after exchanging.
"""
pass
def get_value_of_bills(denomination, number_of_bills):
"""
:param denomination: int - the value of a bill.
:param number_of_bills: int - amount of bills you received.
:return: int - total value of bills you now have.
"""
pass
def get_number_of_bills(budget, denomination):
"""
:param budget: float - the amount of money you are planning to exchange.
:param denomination: int - the value of a single bill.
:return: int - number of bills after exchanging all your money.
"""
pass
def exchangeable_value(budget, exchange_rate, spread, denomination):
"""
:param budget: float - the amount of your money you are planning to exchange.
:param exchange_rate: float - the unit value of the foreign currency.
:param spread: int - percentage that is taken as an exchange fee.
:param denomination: int - the value of a single bill.
:return: int - maximum value you can get.
"""
pass
def non_exchangeable_value(budget, exchange_rate, spread, denomination):
"""
:param budget: float - the amount of your money you are planning to exchange.
:param exchange_rate: float - the unit value of the foreign currency.
:param spread: int - percentage that is taken as an exchange fee.
:param denomination: int - the value of a single bill.
:return: int non-exchangeable value.
"""
pass