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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 parse_from_args(self, l):
 """Secondary customization point, called from getFromKwargs to turn a validated value into a single property value"""

        if self.multiple:
            return [self.parse_from_arg(arg) for arg in l]
        return self.parse_from_arg(l[0])