How to approach the problem of finding the nearest square

Question

I am solving a problem in python. In this, you accept a limit from the user and return largest square which is less than the limit. How to solve this problem?

Answer 1

The following method should solve this. 

def nearest_square(limit):
    answer = 0
    while (answer+1)**2 < limit:
        answer += 1
    return answer**2