python_exercises/thinkcspy/Chapter-6-Exercises/problem11.py

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Python

# Runestone.Academy thinkcspy course
# Chapter 6
# Problem 11
import turtle
def drawStar(t, numSides, sideLength):
angle = 180 - 180/numSides
t.up()
t.goto(sideLength/2,0)
t.down()
for i in range(numSides):
t.left(angle)
t.forward(sideLength)
def checkSides(tt, sides, length):
if sides >= 3 and sides % 2 != 0:
print("What a beautiful star!")
drawStar(tt, sides, length)
else:
print("Oops! Your star must have an ODD number of at least 3 sides. Let's try that again!")
wn = turtle.Screen()
wn.bgcolor("tan")
stella = turtle.Turtle()
stella.color("purple")
stella.pensize(2)
stella.speed(0)
a = int(input("Help Stella draw a star! How many points does the star have?"))
b = int(input("How long is each side?"))
checkSides(stella, a, b)
wn.exitonclick()