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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_class(self, name):
 """Find the Class by its name."""

        defclass = lib.EnvFindDefclass(self._env, name.encode())
        if defclass == ffi.NULL:
            raise LookupError("Class '%s' not found" % name)

        return Class(self._env, defclass)