--- title: Sleep How Can I Make a Time Delay in Python --- ## Sleep How Can I Make a Time Delay in Python The `time` module in the Python standard library contains the function `sleep()` which suspends a program for a given number of seconds. Example: ``` import time for letter in 'hello, world!': print(letter) time.sleep(2) # sleep 2 seconds between each print ``` Floating point numbers can be given as the argument to `sleep()` for more precise sleep times. #### More Information: Time module documentation on the sleep function.