Calculating mortgage interest in Python

Question

I am currently learning python through a video tutorial on youtube, and have come up against a formula I cannot seem to grasp, as nothing looks right to me. The basic conc

Answer 1

Apparently you copied the formula wrong.

wrong:   * numberOfPayments 

correct: ** numberOfPayments 

note: it appears twice in the formula note: in python, ** is "to the power of" operator.