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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 iter_distribution_names(self):
 """Yield all packages, modules, and extension names in distribution"""


        for pkg in self.packages or ():
            yield pkg

        for module in self.py_modules or ():
            yield module

        for ext in self.ext_modules or ():
            if isinstance(ext, tuple):
                name, buildinfo = ext
            else:
                name = ext.name
            if name.endswith('module'):
                name = name[:-6]
            yield name