Question

what is the difference between pen up block and pen down block ?​

Answer 1

Difference between the PENUP and PENDOWN commands:

These two commands are the most used command in the logo turtle. Other most important commands in the logo are as follows:-forward. Backward, clear screen, left, right, etc.

Pen up:

Pen up command is used to pick the pen and draw in the tracks.

The PU command is used for pen up.

Pen down:

Pen down command is used to leave the pen and the track.

The PD command is used for pen down. Pen down is the default state in the turtle.