i’m trying to get this to work but no matter how i indent it, it wouldn’t compile giving me this error.

def gcdIter(a, b): ''' a, b: positive integers returns: a positive integer, the greatest common divisor of a & b. ''' testVal = min(a, b) ans = 0 while testval > 0: if max(a, b) % testval == 0: ans = testVal else: testval -= 1 return ans

## Answer

There is an issue in the indentation of the function `gcdIter`

The code block should come under the same indentation level as docstrings,

Also the `testVal`

is referenced incorrectly in the while block.

updated one

def gcdIter(a, b): ''' a, b: positive integers returns: a positive integer, the greatest common divisor of a & b. ''' testVal = min(a, b) ans = 0 while testVal > 0: if max(a, b) % testVal == 0: ans = testVal else: testVal = -1 return ans

If you’re looking to find the GCD of two numbers, your code will run infinitely due to this condition `while testVal > 0:`

If you’re looking to find gcd of two numbers using iteration, this should help

def gcdIter(a, b): while (a != b): if (a > b): a = a - b else: b = b - a return a