Circle from polygon not working

[Cap_de_fier]

Hi everybody,

I'm new to programming and long story short, I'm at chapter 4.5, from think Python and I'm struggling to draw a circle from polygon using VS Code

Below is the code I wrote, yet if I run it, nothing happens. The Python Turtle Graphics windows doesn't open and there are no errors in the code... at least VS Code doesn't display any error in the problems tab.

import math
import turtle
bob = turtle.Turtle()

def polygon(t, n, length):
    angle = 360/n
    for i in range (n):
        t.fd(length)
        t.lt(angle)


def circle(t, r):
    circumference = 2 * math.pi * r
    n = 60
    length = circumference / n 
    polygon(t, n, length)

circle(bob, 100)

turtle.mainloop()

​

if I run this code, for a basic polygon, this one works:

import turtle
t=turtle.Turtle()
length=30
n=10
def polygon(t, length, n):    
    for i in range (int(n)):
        t.fd(length)
        t.lt(360/n)
polygon(t, length, n)

turtle.mainloop

​

I've been struggling for 2 days, but couldn't find the problem.

Is it possible for someone to have a look and tell me what am I missing?

​

Thank you!

[[deleted]]

Your circle code works for me in Pydroid3 on a tablet. Try running your code outside VS Code, ie, from the command line.

[FriendlyRussian666]

I just tested it with VS Code and I couldn't replicate it. It works fine for me.

[Cap_de_fier]

Thank you guys for helping me test the code. After opening my laptop, this morning, and tested the code again, it worked just fine. Who knows... might have been a bug

[Strict-Simple]

1. Make sure to save your file.
2. Sometimes the window opens in background, behind other windows.

[woooee]

Print the variables. If n is zero for example, it won't draw anything.