python what does time.time() return code example

Example 1: python time a funciton

import time

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

Example 2: time.time()

from time import time

# 1 January 1970 is the standard date that all computers measure time against 
# Prints the number of seconds that have passed since 1 January 1970
print(time())

Example 3: time in python

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