Turtle - List Assignment - Revision history

Admin at 14:04, 6 February 2012

2012-02-06T14:04:21Z

Admin at 12:40, 6 February 2012

2012-02-06T12:40:55Z

Admin at 13:28, 2 February 2012

2012-02-02T13:28:29Z

Admin at 13:27, 2 February 2012

2012-02-02T13:27:51Z

Admin at 13:26, 2 February 2012

2012-02-02T13:26:55Z

Admin at 13:26, 2 February 2012

2012-02-02T13:26:25Z

Admin at 13:25, 2 February 2012

2012-02-02T13:25:37Z

Admin at 13:24, 2 February 2012

2012-02-02T13:24:17Z

Admin at 13:23, 2 February 2012

2012-02-02T13:23:56Z

Admin: Created page with "'''Objectives:''' * You will practice creating lists of turtles * You will integrate loops and lists into drawing graphics with Python's turtle '''Resources:''' * [http://docs.p..."

2012-02-02T13:22:49Z

Created page with "'''Objectives:''' * You will practice creating lists of turtles * You will integrate loops and lists into drawing graphics with Python's turtle '''Resources:''' * [http://docs.p..."

New page

'''Objectives:'''
* You will practice creating lists of turtles
* You will integrate loops and lists into drawing graphics with Python's turtle

'''Resources:'''
* [http://docs.python.org/py3k/library/turtle.html Python Turtle Reference]

'''Directions:'''
* Use the following template in a file named '''listTurtle.py''':

<syntaxhighlight lang="Python">
from turtle import *

speed(0) # fastest turtle

#create empty list of turtles
turtles = []

#populate the list of turtles with 10 turtles
x = 0
while x < 10:
turtles.append(new Turtle())
x = x + 10

#do stuff with turtles
#you'll need a loop

exitonclick()
</syntaxhighlight>

* What do you see when you run the code above?
* Let's try to create some other graphics with Turtle, lists, and loops. Complete the following drawings, but you must create new files for each (e.g. listTurtle1.py,listTurtle2.py, etc.)

# Tell each turtle to draw a circle using its element/index number
# Tell each turtle to go to a random location and draw a random circle
# Tell each turtle to go to a random location and move forward a random distance between 50-200
# Create 20 turtles and place them 15 units apart from each other vertically

@@ Line 39: / Line 39: @@
 # Tell each turtle to go to a random location and draw a random circle
 # Tell each turtle to go to a random location and move forward a random distance between 50-200
-# Create 20 turtles and place them 15 units apart from each other vertically
+# Create 10 turtles and place them 15 units apart from each other vertically
-# After successfully putting 20 turtles 15 units apart vertically, use a loop that runs 360 times to tell each one to draw a small arc.  HINT: turtles[x].circle(x * 15, 1)
+# After successfully putting 10 turtles 15 units apart vertically, use a loop that runs 360 times to tell each one to draw a small arc.

← Older revision		Revision as of 12:40, 6 February 2012
Line 40:		Line 40:
	# Tell each turtle to go to a random location and move forward a random distance between 50-200		# Tell each turtle to go to a random location and move forward a random distance between 50-200
	# Create 20 turtles and place them 15 units apart from each other vertically		# Create 20 turtles and place them 15 units apart from each other vertically
		+	# After successfully putting 20 turtles 15 units apart vertically, use a loop that runs 360 times to tell each one to draw a small arc. HINT: turtles[x].circle(x * 15, 1)

@@ Line 27: / Line 27: @@
 x = 0
 while x < 10:
-     turtles[x].forward(x * 10)
+     turtles[x].forward(x * 100)
      x = x + 1

@@ Line 27: / Line 27: @@
 x = 0
 while x < 10:
-     turtles.forward(x * 10)
+     turtles[x].forward(x * 10)
      x = x + 10

@@ Line 20: / Line 20: @@
 x = 0
 while x < 10:
-     turtles[x].append(new Turtle())
+     turtles.append(Turtle())
      x = x + 10

@@ Line 12: / Line 12: @@
 from turtle import *
-speed(0) # fastest turtle
+#speed(0) # fastest turtle
 #create empty list of turtles

@@ Line 24: / Line 24: @@
 #do stuff with turtles
-#you'll need a loop
+#you'll need to use the loop
 exitonclick()