import time
starttime = time.time()
duration = 3 # seconds
endtime = starttime + duration
while time.time() < endtime:
time.sleep(1)
print(time.ctime(time.time()))
'''
run:
Fri Oct 11 09:01:14 2024
Fri Oct 11 09:01:15 2024
Fri Oct 11 09:01:16 2024
'''