what is the time function in python code example

Example 1: python time a funciton

import time

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

Example 2: python time method

from time import sleep, time

start = time()
sleep(2)
print(format(time() - start, '.3f'), 's', sep='') # 2.003s

Example 3: time in python

import time
thistime = time.time()
# Here's an idea!
def CountTime():
  while(True):
    time.sleep(1)
    print(thistime)
CountTime()