Karel

karel
{-------------------------- hello world! --------------------------}
{-------------------------- initialize -------------------------}
setpensize(20);
penup;
move(100, 50);
pendown();
{-------------------------- main loop ---------------------------}
setcolor(black);
writestring("Hello World!", 60);
{-------------------------- end ------------------------------} This is a simple Karel program that writes “Hello World!” to the screen. It uses the writestring() function to display the text, which takes two arguments: the string to be written and the size of each character (in this case, 60). The program first initializes the pen size to 20 and moves to the center of the screen. Then it writes “Hello World!” using a black pen. Finally, the program terminates. Note that Karel is a programming language designed for teaching robotics concepts through simulation. This example is just a simple text output program and does not demonstrate any actual robotic capabilities. However, it can be adapted to control virtual or physical robots in more complex scenarios.

Image model: ProtoVisionXL

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