Equal Sum Substring

eqsub.py

def getEqualSumSubstring (s):

	substrings = get_all_subsets(s)
	for subsr in substrings:
		if check_string(subsr):
			return len(subsr)
	return 0
	
	

def get_all_subsets(set_val):
	out = [set_val]
	for i in range(0,len(set_val)):
		for k in range(i,len(set_val)):
			append_id_even(set_val[i:k],out)
			
	out.sort(key=len)
	out.reverse()
	return out
	
def append_id_even(str_t,list_t):
	if len(str_t) > 2 and len(str_t)%2==0:
		list_t.append(str_t)
	


def check_string(str):
	mid = len(str) / 2
	first = 0;
	second = 0;
	for i in range(0,mid):
		first = first + int(str[i])
		second = second + int(str[mid + i])
	return first == second
	
def test():
	print getEqualSumSubstring('123231')
	print getEqualSumSubstring('986561517416921217551395112859219257312')
	print getEqualSumSubstring('984')

Hi, May i know what the value you got for the second test case?
I got result as 74.