how to wait 3 seconds in python code example

Example 1: python wait 5 seconds then display

from time import sleep
sleep(2)   
print("hello world")

Example 2: making a function wait in python

from time import sleep

>>> sleep(4)

Example 3: sleep py

import time

print("Printed immediately.")
time.sleep(2.4)
print("Printed after 2.4 seconds.")