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"Turtle Graphics in Python Documentation on Turtle Graphics: This is the ultimate source for all information on this library. Comprehensive List of Colors List of Programs in Turtle Graphics # File: Hello.py # Description: This program writes out Hello World import turtle def main(): # put label on top of page turtle.title ('Hello World') # setup screen size turtle.setup (1000, 1000, 0, 0) # move turtle to origin turtle.penup() turtle.goto (0, 0) # set the color to navy turtle.color ('navy') # write the message turtle.write ('Hello World!', font = ('Times New Roman', 36, 'bold')) # hide the turtle turtle.hideturtle() # persist the drawing turtle.done() main() # File: Squares.py # Description: Draws squares of different sizes import turtle # draw a square of a given side # starting at uuper left corner (x, y) def drawSquare (ttl, x, y, side): ttl.penup() ttl.goto(x, y) ttl.setheading(0) # set the pen in the +ve x direction ttl.pendown() for iter in range (4): ttl.forward(side) ttl.right(90) ttl.penup() def main(): # put label on top of page turtle.title ('Squares') # setup screen size turtle.setup (800, 800, 0, 0) # create a turtle object ttl = turtle.Turtle() # assign a color to the turtle object ttl.color ('red') # draw multiple squares drawSquare (ttl, -50, -50, 50) drawSquare (ttl, 0, 0, 50) drawSquare (ttl, 50, 50, 50) drawSquare (ttl, -50, 50, 150) # fill a closed region ttl.fillcolor ('purple') ttl.begin_fill() drawSquare (ttl, 0, 0, 50) ttl.end_fill() # persist drawing turtle.done() main() # File: Figures.py # Description: Draws various types of geometric figures import turtle, math # draw a line from (x1, y1) to (x2, y2) def drawLine (ttl, x1, y1, x2, y2): ttl.penup() ttl.goto (x1, y1) ttl.pendown() ttl.goto (x2, y2) ttl.penup() def drawPolygon (ttl, x, y, num_side, radius): sideLen = 2 * radius * math.sin (math.pi / num_s

"But an app for programming Python on iOS called Pythonista have some smart ways of getting around some of Apples restrictions. And one of the nice things you can do is home screen shortcuts, making your scripts available directly from your home screen of your iOS device."

"MIDI Keyboard Controller"