from turtle import Turtle
from numpy import cos, sin, pi

t = Turtle()
t.speed(1)

t.shape('turtle')


def pol2dec(r: float, phi: float) -> tuple:
    '''

    x = r * cos(phi * pi / 180)
    y = r * sin(phi * pi / 180)
    angle += angle_inc
    '''
    x = r * cos(phi)
    y = r * sin(phi)
    point = (x, y)
    print("x = ", x)
    print("y = ", y)
    return point


vMin = 1
vMax = 23
radius = 40
angle, angle_inc = 0, pi / 10


for j in range(vMin, vMax + 1):
    angle += angle_inc

    if j == 1:
        print("radius = ", radius)
        print("angle = ", angle)
        t.goto(*pol2dec(0, angle))

    else:
        t.goto(*pol2dec(radius, angle))