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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 set(self, dct) : """Set the store using a dictionary"""

        # if not self.mustValidate :
        #     self.store = dct
        #     self.patchStore = dct
        #     return

        for field, value in dct.items() :
            if field not in self.collection.arangoPrivates :
                if isinstance(value, dict) :
                    if field in self.validators and isinstance(self.validators[field], dict):
                        vals = self.validators[field]
                    else :
                        vals = {}
                    self[field] = DocumentStore(self.collection, validators = vals, initDct = value, patch = self.patching, subStore=True, validateInit=self.validateInit)
                    self.subStores[field] = self.store[field]
                else :
                    self[field] = value