#5.1
#a)
matrix_list = [[3, 0, -2, 11], [0, 0, 9, 0], [0, 7, 0, 0], [0, 0, 0, -3]]
print(matrix_list)

#b+c)
matrix_list_general = [[], [], [], []]
MAX = 4
for i in range(0, MAX):
    print("Zeile " + str(i + 1))
    for j in range(0, MAX):
        n = int(input("Value:"))
        matrix_list_general[i].insert(j, n)

print(matrix_list_general)

#d)
for i, row in enumerate(matrix_list_general):
    for j, value in enumerate(row):
        print(f'a[{i}][{j}] = {value} ')