numbers=[]
for i in range(10):
    numbers.append([])
    for j in range(-5,6):
        numbers[i].append(j)  # Создаю двумерный массив с числами от -5 до 5
    print(numbers[i])
 
def arraysum(a):
    n=len(a)-1
    def _arraysum(a,n):
        if n==0:
            print(a[0])
        elif a[n]>0:
            return _arraysum(a,n-1)+a[n]
        else: return _arraysum(a,n-1)
        _arraysum(a,n)
def sum2d(a):
    n=len(a)
    def _sum2d(a,n):
        if n==0:
            return arraysum(a[n])
        else:
            return _sum2d(a,n-1)+arraysum(a[n])
 
print(sum2d(numbers))

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