dictionarycontinuous

def subarraySum(self, nums: 'List[int]', k: 'int') -> 'int':
        count = 0
        dictionary = collections.defaultdict(int)
        current_sum = 0
        
        #Basic enumeration
        for index, val in enumerate(nums):
        	current_sum += val
            
            #if match detected increment count
        	if current_sum == k:
        		count += 1
            
        	if current_sum - k in dictionary:
        		count += dictionary[current_sum - k]

        	dictionary[current_sum] += 1
        return count