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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 add(self, abspath_or_winfile, enable_verbose=True):
 """Add absolute path or WinFile to FileCollection. """

        if isinstance(abspath_or_winfile, str): # abspath
            if abspath_or_winfile in self.files:
                if enable_verbose:
                    print("'%s' already in this collections" % 
                          abspath_or_winfile)
            else:
                self.files.setdefault(abspath_or_winfile, WinFile(abspath_or_winfile))
        elif isinstance(abspath_or_winfile, WinFile): # WinFile
            if abspath_or_winfile.abspath in self.files:
                if enable_verbose:
                    print("'%s' already in this collections" % 
                          abspath_or_winfile)
            else:
                self.files.setdefault(abspath_or_winfile.abspath, abspath_or_winfile)
        else:
            raise TypeError