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# Time Functions in Python | Set to 1 (time (), time (), sleep () & # 8230;)

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Operations by time:

1. time () : — this function is used to count the number of seconds since the beginning of an epoch .

2. gmtime (sec) : — this function returns a structure with 9 values, each of which is a temporary attribute in a sequence. It converts seconds to time attributes (days, years, months, etc.) Until the specified seconds from the beginning of the epoch. If no seconds are specified, the time is calculated up to the present time. The structure attribute table is shown below.

` Index Attributes Values ​​0 tm_year 2008 1 tm_mon 1 to 12 2 tm_mday 1 to 31 3 tm_hour 0 to 23 4 tm_min 0 to 59 5 tm_sec 0 to 61 (60 or 61 are leap -seconds) 6 tm_wday 0 to 6 7 tm_yday 1 to 366 8 tm_isdst -1, 0, 1 where -1 means Library determines DST `

` `

` # Python code to demonstrate how it works # time () and gmtime ()    # importing a time module for time operations import time    # using time () to display time since epoch print ( "Seconds elapsed since the epoch are: " , end = " ") print (time.time ())     # using gmtime () to return an attribute structure time print ( "Time calculated acc ... to given seconds is: " ) print (time.gmtime ()) `

Output:

` Seconds elapsed since the epoch are: 1470121951.9536893 Time calculated acc. to given seconds is: time.struct_time (tm_year = 2016, tm_mon = 8, tm_mday = 2, tm_hour = 7, tm_min = 12, tm_sec = 31, tm_wday = 1, tm_yday = 215, tm_isdst = 0) `

3.asctime : — this function takes a string with a time attribute, generated by gmtime (), and returns a string of 24 characters for the time .

4.ctime (sec) : — this function returns a 24-character temporary string, but takes seconds as an argument and calculates the time until the specified seconds . If no argument is passed, time is calculated to date.

 ` # Python code to demonstrate how it works ` ` # asctime () and ctime () `   ` # import a time module for time operations ` ` import ` ` time `   ` # time initialization with gmtime () ` ` ti ` ` = ` ` time.gmtime () `   ` # using asctime () to display the time acc. by the mentioned time ` ` print ` ` (` ` "Time calculated using asctime () is: "` `, end ` ` = ` `" ") ` ` print ` ` (time.asctime (ti)) `     ` # using ctime ( ) to display the time string using seconds ` ` print ` ` (` `" Time calculated using ctime () is: "` `, end ` ` = ` `" ") ` ` print ` ` (time.ctime ()) `

Output:

` Time calculated using asctime () is: Tue Aug 2 07:47:02 2016 Time calculated using ctime () is: Tue Aug 2 07:47:02 2016 `

5. sleep (sec) : — This method is used to track program execution over the time specified in the arguments.

 ` # Python code to demonstrate how it works ` ` # sleep () `   ` # import a time module for time operations ` ` import ` ` time `   ` # using ctime () to display the current time ` ` print ` ` (` ` "Start Execution:" ` `, end ` ` = ` ` "") ` ` print ` ` (time.ctime ()) ` ` `  ` # using sleep () to call execution ` ` time.sleep (` ` 4 ` `) `   ` # using ctime () to display the current time ` ` print ` ` (` ` "Stop Execution:" ` `, end ` ` = ` ` "") ` ` print ` ` ( time.ctime ()) `

Output:

` Start Execution: Tue Aug 2 07:59:03 2016 Stop Execution: Tue Aug 2 07:59:07 2016 `

This article courtesy of Manjeet Singh . If you are as Python.Engineering and would like to contribute, you can also write an article using contribute.python.engineering or by posting an article contribute @ python.engineering. See my article appearing on the Python.Engineering homepage and help other geeks.

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