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May 1, 2019 16:26
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Answer to the puzzle of a square and 3 angles
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import turtle, math | |
def p_line(t, n, length, angle): | |
"""Draws n line segments.""" | |
for i in range(n): | |
t.fd(length) | |
t.lt(angle) | |
def polygon(t, n, length): | |
"""Draws a polygon with n sides.""" | |
angle = 360/n | |
p_line(t, n, length, angle) | |
def move(t, dx, dy): | |
t.up() | |
x, y = t.pos() | |
t.setpos(x + dx, y + dy) | |
t.down() | |
def main(): | |
window = turtle.Screen() # create a screen | |
window.bgcolor("#f5fffa") | |
ivy = turtle.Turtle() | |
ivy.shape("arrow") | |
ivy.color("#EF597B") | |
ivy.width(2) | |
ivy.speed(20) | |
ivy.up() | |
ivy.goto(-100, -100) | |
ivy.down() | |
polygon(ivy, 4, 150) | |
move(ivy, 0, 50) | |
ivy.fd(150) | |
move(ivy, 0, 50) | |
ivy.back(150) | |
move(ivy, 50, 50) | |
ivy.rt(90) | |
ivy.fd(150) | |
move(ivy, 50, 0) | |
ivy.back(150) | |
move(ivy, -50, -50) | |
ivy.color("green") | |
ivy.setpos(50, 50) | |
ivy.color("blue") | |
ivy.setpos(0, -100) | |
ivy.color("green") | |
ivy.setpos(-50, 0) | |
ivy.ht() | |
main() |
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