freeCodeCamp/guide/english/python/sleep-how-can-i-make-a-time.../index.md

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---
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 <a href='https://docs.python.org/3/library/time.html#time.sleep' target='_blank' rel='nofollow'>documentation</a> on the sleep function.