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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 link(self, x,y,w,h,link):
        "Put a link on the page"
        if not self.page in self.page_links:
            self.page_links[self.page] = []
        self.page_links[self.page] += [(x*self.k,self.h_pt-y*self.k,w*self.k,h*self.k,link),]