python start and end timer code example

Example 1: python timer()

def hello():
    print "hello, world"

t = Timer(30.0, hello)
t.start() # after 30 seconds, "hello, world" will be printed

Example 2: python stopwatch

1 # latest_tutorial.py
 2 
 3 import time
 4 from reader import feed
 5 
 6 def main():
 7     """Print the latest tutorial from Real Python"""
 8     tic = time.perf_counter()
 9     tutorial = feed.get_article(0)
10     toc = time.perf_counter()
11     print(f"Downloaded the tutorial in {toc - tic:0.4f} seconds")
12 
13     print(tutorial)
14 
15 if __name__ == "__main__":
16     main()