challenge #1

testcases = input("input number of testcases ")
input_string = input("input string")

def is_prime(n):
    return n > 1 and all(n % i for i in range(2, int(n ** 0.5) + 1))
    
parts = [input_string[i:i+n] for i in range(0, len(input_string), 4)]

sum = 0
for element in parts:
    
  sum += int(element, 16)