first_point = [2, -3]
second_point = [5, 7]

first_vector = [2, 5, 9, 13]
second_vector = [1, -7, 23, -2]

nested_vector = [
    [3, 4], 
    [5, 9], 
    [2, 8]
]

string_vector = ['one', 'two', 'three']

mixed_vector = [1, 'two', 3, 'four', 5]

scalar_number = -3