timolesterhuis

import math  # We'll use the math module later in this snippet


class Vector:
    """A 2D vector class with some useful methods"""

    def __init__(self, x: float, y: float) -> None:
        self.x = x
        self.y = y

timolesterhuis

from typing import Tuple
class Person:

    # class attribute
    species = "Homo Sapiens"

    # Instance attribute
    def __init__(self, name: str, age: int) -> None:
        self.name = name
        self.age = age

timolesterhuis

# Functional programming is about immutable objects:

name = "John Doe"  # string
age = 29           # int
weight = 98.7      # float


# and stateless functions:

def say_hello(to: str) -> None: