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Turtle graphics are often associated with the Logo programming language. [2] Seymour Papert added support for turtle graphics to Logo in the late 1960s to support his version of the turtle robot, a simple robot controlled from the user's workstation that is designed to carry out the drawing functions assigned to it using a small retractable pen set into or attached to the robot's body.
The turtle moves with commands that are relative to its own position, LEFT 90 means spin left by 90 degrees. Some Logo implementations, particularly those that allow the use of concurrency and multiple turtles, support collision detection and allow the user to redefine the appearance of the turtle cursor, essentially allowing the Logo turtles ...
Turns turtle right for number of degrees specified: right 228 or rt 228: LEFT: lt: LEFT␣ degrees to rotate toward left Turns turtle left for number of degrees specified: left 228 or lt 228: HOME: home: Comes to screen center but does not clear the screen: home: CLEAN: ct cs: Clears the screen of trails but the turtle remains where it is ...
reStructuredText (RST, ReST, or reST) is a file format for textual data used primarily in the Python programming language community for technical documentation.. It is part of the Docutils project of the Python Doc-SIG (Documentation Special Interest Group), aimed at creating a set of tools for Python similar to Javadoc for Java or Plain Old Documentation (POD) for Perl.
Beautiful Soup was started in 2004 by Leonard Richardson. [citation needed] It takes its name from the poem Beautiful Soup from Alice's Adventures in Wonderland [5] and is a reference to the term "tag soup" meaning poorly-structured HTML code. [6]
[citation needed] For input/output (I/O), text may be written to the command window (output stream) using print and to the graphics window using label. Animations require both the ability to draw and to erase shapes. The process is the same, except that in the former, a line is deposited on the display device and in the latter a line is removed.
Place the image on the left side of the page. The article text that follows the image flows around the image, but there may be formatting issues with lists and indented text (see § Interaction between left-floating images and lists). center Place the image in the center of the page. The article text that follows the image is placed below the ...
Rosie the horse, who is pulling the sleigh, is just as surprised as Franklin, and runs away, leaving the two young turtles stranded and lost in the woods. Back at the farm, Jenny finds a note that Franklin wrote saying that he is going back to Woodland to find Dr. Bear. Mr. and Mrs. Turtle soon return home from the Collies'; they discover what ...