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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def apply_layout(self, child, layout):
 """ Apply the flexbox specific layout. """

        params = self.create_layout_params(child, layout)
        w = child.widget
        if w:
            # padding
            if layout.get('padding'):
                dp = self.dp
                l, t, r, b = layout['padding']
                w.setPadding(int(l*dp), int(t*dp),
                             int(r*dp), int(b*dp))
        child.layout_params = params