python how to time code example

Example 1: python time code

import time

t0 = time.time()
code_block
t1 = time.time()

total = t1-t0

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: python time a funciton

import time

start = time.time()
print("hello")
end = time.time()
print(end - start)

Example 4: time in python code

import datetime

x = datetime.datetime.now()

print(x)