<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def pad_plots(plots):
 """ Accepts a grid of bokeh plots in form of a list of lists and wraps any DataTable or Tabs in a WidgetBox with appropriate padding. Required to avoid overlap in gridplot. """

    widths = []
    for row in plots:
        row_widths = []
        for p in row:
            width = pad_width(p)
            row_widths.append(width)
        widths.append(row_widths)
    plots = [[WidgetBox(p, width=w) if isinstance(p, (DataTable, Tabs)) else p
              for p, w in zip(row, ws)] for row, ws in zip(plots, widths)]
    return plots