""" Create the following functions.
You can call them afterwards by typing in their function name
and passing in any necesasry arguments to verify. """

""" Five. Create a function 'recurrence' which solves the following reccurence:
 r_n = r_n-1 + r_n-3 where r_0 = 1, r_1 = 2, r_2 = 5 """

""" Six. Create a function 'compound_interest' which takes as first argument
the current balance, as second the number of months left and as
third argument the monthly interest rate; and returns the compounded result """


# VALIDATING CODE 
def print_check(actual, expected):
    print("actual: " + str(actual) + " expected: " + str(expected))

print_check(recurrence(0), 1)
print_check(recurrence(1), 2)
print_check(recurrence(2), 5)
print_check(recurrence(3), 6)