 again and again. For reference on how to use it just execute <cite>pivotpy.export_potential??</cite> in a notebook cell or ipython terminal to see how islice is used extensively.</p></li>
<li><p>dtype: float by default. Data type of output array, it is must have argument.</p></li>
<li><p>start,nlines: The indices of lines to start reading from and number of lines after start respectively. Only work if <cite>path_or_islice</cite> is a file path. both could be None or int, while start could be a list to read