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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 colordict(self):
 """ Dictionary holding colors that correspond to constraints. """

        d = {}
        i=0
        n = len(self.constraints)
        for c in self.constraints:
            #self.colordict[c] = colors[i % 6]
            d[c] = cm.jet(1.*i/n)
            i+=1
        return d