Outputs the infinite loop of up and down tetractys. It looks simple but it was a real struggle finding all the right methods and ingredients:
https://wiki2.org/en/Tetractys
Code:
#!/usr/bin/python
import time
while True:
print " ."
time.sleep(1)
print " . ."
time.sleep(1)
print " . . ."
time.sleep(1)
print ". . . ."
time.sleep(1)
print " . . ."
time.sleep(1)
print " . ."
time.sleep(1)
print " ."
time.sleep(1)