python calculate program runtime code example

Example 1: python calculate time taken

import time
start = time.process_time()
# your code here    
print(time.process_time() - start)

Example 2: find time of run for python code

import time
start_time = time.time()
main()
print("--- %s seconds ---" % (time.time() - start_time))

Example 3: use datetime python to get runtime

from datetime import datetime

start = datetime.now()
# code ...
print(datetime.now()-start)