Changes

         lc.heap.append(0) # no mouse event

         lc.heap.append(0) # no mouse event

===Understanding the Structure of the Turtle Art program===

===Understanding the structure of the Turtle Art program===

Turtle Art offers two blocks for adding Python code,  

Turtle Art offers two blocks for adding Python code,  

* the Python function block [[image:Pythonfunctionblock.jpg]] adds a single line of code,  

* the Python function block [[image:Pythonfunctionblock.jpg]] adds a single line of code,  

* the Python code block [[image:Pythoncodeblock.jpg]] supports multi line code.

* the Python code block [[image:Pythoncodeblock.jpg]] supports multi-line code.

====Python function block====

====Python function block====

For more information on allowable syntax for this block:

For more information on allowable syntax for this block:

* Python language, see http://docs.python.org/tutorial/

* Python language, see http://docs.python.org/tutorial/

* Math library, see http://docs.python.org/library/math.html  

* math library, see http://docs.python.org/library/math.html  

* Time library, see http://docs.python.org/library/time.html

* time library, see http://docs.python.org/library/time.html

* Numpy library, see numpy.scipy.org/

* <strike>Numpy library, see numpy.scipy.org/</strike> (Not supported as of v104)

====Python code block====

====Python code block====