import math

def calculateCorrelation(list1, list2):
    if not list1 or not list2:
        print("Ошибка: Список не может быть пустым")
        return None

    numerator = 0
    sum1 = 0
    sum2 = 0
    
    n = min(len(list1), len(list2))
    mean1 = sum(list1[:n]) / n
    mean2 = sum(list2[:n]) / n

    for i in range(n):
        numerator += (list1[i] - mean1) * (list2[i] - mean2)
        sum1 += (list1[i] - mean1) ** 2
        sum2 += (list2[i] - mean2) ** 2
        
    denominator = math.sqrt(sum1 * sum2)
    
    if denominator == 0:
        print("Ошибка: Деление на ноль")
        return None
    return numerator / denominator