fps - how to divide count by time function to determine fps [closed]

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Hello,

I have a counter working that counts every frame. what I want to do is divide this by time to determine the FPS of my program. But I'm not sure how to perform operations on timing functions within python.

I've tried initializing time as

fps_time = time.time 
fps_time = float(time.time)
fps_time = np.float(time.time)
fps_time = time()

Then for calculating the fps,

FPS = (counter / fps_time)
FPS = float(counter / fps_time)
FPS = float(counter (fps_time))

But errors I'm getting are object is not callable or unsupported operand for /: 'int' and 'buildin functions'