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May 4, 2017 03:06
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| # http://greenteapress.com/thinkpython2/html/thinkpython2005.html | |
| import turtle | |
| import math | |
| def polygon(t, n, length): | |
| angle = 360 / n | |
| print(angle) | |
| for i in range(n): | |
| t.fd(length) | |
| t.rt(angle) | |
| # Use polygon to draw a circle | |
| def circle(t, radius): | |
| circumference = 2 * math.pi * radius | |
| print(circumference) | |
| n = int(circumference / 3) | |
| print(n) | |
| length = circumference / n | |
| print(length) | |
| polygon(t, n, length) | |
| bob = turtle.Turtle() | |
| circle(t=bob, radius=100) # keyword arguments for greater readibility | |
| turtle.mainloop() |
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