how to calculate code running time in python code example

Example 1: find time of run for python code

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

Example 2: python how to measure code run in time

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