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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 find_docstring(self):
 """Sets the docstring of this interface using the docstrings of its embedded module procedures that it is an interface for. """

        #The docstrings for the interface are compiled from the separate docstrings
        #of the module procedures it is an interface for. We choose the first of these
        #procedures by convention and copy its docstrings over.
        #Just use the very first embedded method that isn't None and has a docstring.
        if self.first and len(self.docstring) == 0:
            self.docstring = self.first.docstring