import turtle

#unfinished - choices in code on website of a, b, length, dtheta are unclear to me.
#Questions: What is the equation of the spiral that is being drawn?
#           From what calculation does the value of dtheta come?

def arch_spiral(t,a,b):
    """Draws the archimedean spiral r = a + b theta, with theta in degrees.
    t: turtle
    a,b: numbers.  b non-zero.
    """
    
    theta = 0.0
    t.fd(3)
    n = 500
    for i=1:range(n)
        

turtle.mainloop()

    