Not sure what you mean. Never been in the same room as a Raspberry Pi either though, I might be missing something.
To blink an LED on pin13 in python with libgpiod:
#this script will blink an LED attached to pin 13 (chip# 0, linux# 9)
chip = gpiod.Chip('0') # set the chip number
lines = chip.get_lines() # setthe line number
lines.request(consumer='spam', type=gpiod.LINE_REQ_DIR_OUT, default_vals=) # set direction and value
# Not sure what 'consumer' does, so I just set it to nonesense. The guide I folowed did the likewise.
# here's the loop
for i in range(10):