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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 createWPPointer(self):
        '''Creates the waypoint pointer relative to current heading.'''
        self.headingWPTri = patches.RegularPolygon((0.0,0.55),3,0.05,facecolor='lime',zorder=4,ec='k')
        self.axes.add_patch(self.headingWPTri)
        self.headingWPText = self.axes.text(0.0,0.45,'1',color='lime',size=self.fontSize,horizontalalignment='center',verticalalignment='center',zorder=4)   
        self.headingWPText.set_path_effects([PathEffects.withStroke(linewidth=1,foreground='k')])