lphabet = {‘A’: ((0,0),(0.5,1),(0.75,0.5),(0.25,0.5),(0.75,0.5),(1,0)),’B’: ((0,0),(0,1),(0.625 ,1),(0.75,0.875),(0.75,0.625),(0.625,0.5),(0,0.5),(0.625,0.5),(0.75,0.375),(0.75,0.125),(0.625,0),(0,0)),’C’: ((0.75,0.125),(0.625,0),(0.125,0),(0,0.125),(0,0.875),(0.125,1),(0.625,1),(0.75,0.875)),’D’: ((0,0),(0,1),(0.625 ,1),(0.75,0.875),(0.75,0.125),(0.625,0),(0,0)),’E’: ((0.75,0),(0,0),(0,0.5),(0.75,0.5),(0,0.5),(0,1),(0.75,1)),’F’: ((0,0),(0,0.5),(0.75,0.5),(0,0.5),(0,1),(0.75,1)),’G’: ((0.75,0.5),(0.625,0.5),(0.75,0.5),(0.75,0.125),(0.625,0),(0.125,0),(0,0.125),(0,0.875),(0.125,1),(0.625,1),(0.75,0.875)),’H’: ((0,0),(0,1),(0,0.5),(0.75,0.5),(0.75,1),(0.75,0)),’I’: ((0,0),(0.25,0),(0.125,0),(0.125,1),(0,1),(0.25,1)),’J’: ((0,0.125),(0.125,0),(0.375,0),(0.5,0.125),(0.5,1)),’K’: ((0,0),(0,1),(0,0.5),(0.75,1),(0,0.5),(0.75,0)),’L’: ((0,0),(0,1),(0,0),(0.75,0)),’M’: ((0,0),(0,1),(0.5,0),(1,1),(1,0)),’N’: ((0,0),(0,1),(0.75,0),(0.75,1)),’O’: ((0.75,0.125),(0.625,0),(0.125,0),(0,0.125),(0,0.875),(0.125,1),(0.625,1),(0.75,0.875),(0.75,0.125)),’P’: ((0,0),(0,1),(0.625,1),(0.75,0.875),(0.75,0.625),(0.625,0.5),(0,0.5)),’Q’: ((0.75,0.125),(0.625,0),(0.125,0),(0,0.125),(0,0.875),(0.125,1),(0.625,1),(0.75,0.875),(0.75,0.125),(0.875,0)),’R’: ((0,0),(0,1),(0.625,1),(0.75,0.875),(0.75,0.625),(0.625,0.5),(0,0.5),(0.625,0.5),(0.875,0)),’S’: ((0,0.125),(0.125,0),(0.625,0),(0.75,0.125),(0.75,0.375),(0.675,0.5),(0.125,0.5),(0,0.625),(0,0.875),(0.125,1),(0.625,1),(0.75,0.875)),’T’: ((0,1),(0.5,1),(0.5,0),(0.5,1),(1,1)),’U’: ((0,1),(0,0.125),(0.125,0),(0.625,0),(0.75,0.125),(0.75,1)),’V’: ((0,1),(0.375,0),(0.75,1)),’W’: ((0,1),(0.25,0),(0.5,1),(0.75,0),(1,1)),’X’: ((0,0),(0.375,0.5),(0,1),(0.375,0.5),(0.75,1),(0.375,0.5),(0.75,0)),’Y’: ((0,1),(0.375,0.5),(0.375,0),(0.375,0.5),(0.75,1)),’Z’: ((0,1),(0.75,1),(0,0),(0.75,0)),}#Python Turtle – WordArt Challenge – www.101computing.net/python-turtle-wordart-challenge/import turtleimport randomfrom alphabet import alphabetfrom math import cos, sin, atan2, radians, degreesmyPen = turtle.Turtle()myPen.hideturtle()myPen.speed(0)window = turtle.Screen()window.bgcolor(“#000000”)myPen.pensize(2)def displayMessage(message,fontSize,color,x,y,rotationAngle):myPen.color(color)message=message.upper()myPen.penup()myPen.goto(x,y)for character in message:if character in alphabet_letter=alphabet[character]myPen.setheading(rotationAngle)myPen.penup()x=0y=0for dot in letter:angle = atan2((dot[1]-y),(dot[0]-x))angle= degrees(angle)distance = ((dot[0]-x)**2 + (dot[1]-y)**2)**0.5myPen.setheading(rotationAngle)myPen.left(angle)myPen.forward(distance*fontSize)x = dot[0]y = dot[1]myPen.pendown()myPen.penup()angle = atan2((0-y),(0-x))angle = degrees(angle)distance = ((0-x)**2 + (0-y)**2)**0.5myPen.setheading(rotationAngle)myPen.left(angle)myPen.forward(distance*fontSize)myPen.setheading(rotationAngle)myPen.penup()myPen.forward(fontSize)myPen.forward(characterSpacing)#Main Program Starts HerefontSize = 30fontColor=”#FF00FF”characterSpacing = 5message = “Hello World”displayMessage(message,fontSize,fontColor,-170,-100,30)i need explanation of each line how it works and what is the meaning of eachb syntex ?

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