how to check runtime of program in python idle

1import time
2start = time.process_time()
3# your code here    
4print(time.process_time() - start)

1import time
2start_time = time.time()
3main()
4print("--- %s seconds ---" % (time.time() - start_time))

1def chk():
2	n=int(input("enterthe number to check if the number is a multiple of 2"))
3	c=1
4	f=0
5	for i in range(0,n,1):
6		if(c==n):
7			print("the number is  power of two ")
8			f=1
9			break
10		else:
11			c=c*2
12	if(f<1):
13		print("the number is not a multiple of 2")
14