The Python calculator starts the run time to the end of the program and the CPU time the program runs

Source: Internet
Author: User
Execution time

Method 1
Copy the Code code as follows:


Import datetime
StartTime = Datetime.datetime.now ()
#long Running
Endtime = Datetime.datetime.now ()
Print (endtime-starttime). seconds

Method 2
Copy the Code code as follows:


Start = Time.time ()
Run_fun ()
End = Time.time ()
Print End-start

Method 3
Copy the Code code as follows:


Start = Time.clock ()
Run_fun ()
End = Time.clock ()
Print End-start

Both Method 1 and Method 2 contain the time that other programs use the CPU, which is the time the program starts to run to the end of the program.
Method 3 calculates only the CPU time that the program is running

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