APP python simple automated test start time

Coding #:. 8 UTF- 
Import OS 
Import Time 
cmd = '-n com.android.browser the adb the shell -W / AM .BrowserActivity Start' 
Content = os.popen, (cmd) 
Print ( "successful start APP") 
for Content in Line .readlines (): 
    Print (Line) 
    IF "thisTime" in Line: 
        StartTime = line.split ( ":") [. 1] # cutting time taken thistime: 300 to: a delimiter 
        BREAK 
Print ( "you need StartTime It is equal to:% S "the StartTime%) 
the time.sleep (. 3) # sleep 3S, closing the APP 

cmd = 'Force the adb the shell AM-STOP com.android.browser' 
Content = os.popen, (cmd) # Close the APP 
Print (" Close successful APP ")