def Timer(start, end):
    """
    Calculates the time it takes to run a process, based on start and finish times
    ---------------------------------------------------------------------------------------------
    Inputs:
    start:        Start time of process
    end:          End time of process
    ---------------------------------------------------------------------------------------------
    """
    elapsed = end - start
    # Convert process time, if needed
    if elapsed <= 59:
        time = str(round(elapsed,2)) + " seconds\n"
    if elapsed >= 60 and elapsed <= 3590:
        min = elapsed / 60
        time = str(round(min,2)) + " minutes\n"
    if elapsed >= 3600:
        hour = elapsed / 3600
        time = str(round(hour,2)) + " hours\n"
    return time

    Calculates the time it takes to run a process, based on start and finish times
    ---------------------------------------------------------------------------------------------
    Inputs:
    start:        Start time of process
    end:          End time of process
    ---------------------------------------------------------------------------------------------
    
recipes/Python/511439_PhotoLibrarian/recipe-511439.py