Question

I am studying code that writes a program to calculate monthly interest rates for credit card debt. There is a integer that I don't understand it's purpose and just wondering what it represents. It is the only "2" in the code below ...

while numMonths <= 12:
# Minimum monthly payment of balance at start of the month
minPayment = round(minMonthlyPaymentRate * balance,2)
totalAmtPaid += minPayment

Answer 1

What language is it?
I'm not sure exactly, but I imagine the function round() has two inputs separated by the comma.
round(number to be rounded, decimal places to round to)
In this case a 2 would give you 12.34 from 12.3455678

Answer 2

Thanks! that would make a lot of sense. I'm writing in Python.

Answer 3

OK then, in Python
round(number[, ndigits])
The number of digits is the decimal places. If you omit ndigits it defaults to 0