what does time.sleep do in python code example

Example 1: python sleep

import time

print("Print now")
time.sleep(4.2)
print("Printing after 4.2 seconds")

Example 2: python delay

>>> import time
>>> time.sleep(3) # Sleep for 3 seconds

Example 3: python sleep

import time

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