balance = 3329
annualInterestRate = 0.2


def lowestPayment(balance, annualInterestRate, monthlyPayment=10):
    monthlyInterestRate = annualInterestRate/12
    nbalance = balance
    print("PAY: ", monthlyPayment, end=" ") # REMOVE THIS BEFORE POSTING

    for months in range(12):
        nbalance -= monthlyPayment
        nbalance += monthlyInterestRate * nbalance

    print("BAL: ", round(nbalance,1)) # REMOVE THIS BEFORE POSTING
    if nbalance < 0:
        return monthlyPayment
    else:
        return lowestPayment(balance, annualInterestRate, monthlyPayment + 10)

print("Lowest Payment: {}" .format(lowestPayment(balance, annualInterestRate)))