Python sample of project Euler problem 2 solution

euler2.py

import time

def even_sum_fib(sum_limit):
    current = previous = 1
    sum = 0
    while(sum < sum_limit):
        if current % 2 == 0:
            sum += current        
        previous, current = current, current + previous        
    return sum

if __name__ == "__main__":
    start = time.time()
    limit = 4000000
    print(even_sum_fib(limit))    
    end = time.time()
    print(f"Elapsed seconds for sum limit of {limit}: {end - start}")