make it so the neopixels light up and turn off in a sequence

CPX__challenge__sequence.py

"""
make it so the pixels turn on and off in sequence
"""

# our imports
# -------------------------------------------
from adafruit_circuitplayground import cp
import time
# -------------------------------------------

# global vars
# -------------------------------------------
cp.pixels.brightness = .2
sleep_time = 0.07
# -------------------------------------------

# main loop
# -------------------------------------------
while True:
    for p in range(0, 10):
        cp.pixels[p] = (255, 0, 255)
        time.sleep(sleep_time)
    for p in range(0, 10):
        cp.pixels[p] = (0, 0, 0)
        time.sleep(sleep_time)  
# -------------------------------------------