release your program to execute other code--until after the number of seconds you passed to time sleep(has elapsed for exampleif you enter time sleep( yyou'll see that the next prompt (doesn' appear until seconds have passed rounding numbers when working with timesyou'll often encounter float values with many digits after the decimal to make these values easier to work withyou can shorten them with python' built-in round(functionwhich rounds float to the precision you specify just pass in the number you want to roundplus an optional second argument representing how many digits after the decimal point you want to round it to if you omit the second argumentround(rounds your number to the nearest whole integer enter the following into the interactive shellimport time now time time(now round(now round(now round(now after importing time and storing time time(in nowwe call round(now to round now to two digits after the decimalround(now to round to four digits after the decimaland round(nowto round to the nearest integer projectsuper stopwatch say you want to track how much time you spend on boring tasks you haven' automated yet you don' have physical stopwatchand it' surprisingly difficult to find free stopwatch app for your laptop or smartphone that isn' covered in ads and doesn' send copy of your browser history to marketers (it says it can do this in the license agreement you agreed to you did read the license agreementdidn' you?you can write simple stopwatch program yourself in python at high levelhere' what your program will do track the amount of time elapsed between presses of the enter keywith each key press starting new "lapon the timer print the lap numbertotal timeand lap time