<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def validate(self, dist):
 """Verify that feature makes sense in context of distribution This method is called by the distribution just before it parses its command line. It checks to ensure that the 'remove' attribute, if any, contains only valid package/module names that are present in the base distribution when 'setup()' is called. You may override it in a subclass to perform any other required validation of the feature against a target distribution. """


        for item in self.remove:
            if not dist.has_contents_for(item):
                raise DistutilsSetupError(
                    "%s wants to be able to remove %s, but the distribution"
                    " doesn't contain any packages or modules under %s"
                    % (self.description, item, item)
                )