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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 from_functions(functions) -> 'Pipeline': """Build a pipeline from a list of functions. :param functions: A list of functions or names of functions :type functions: iter[((pybel.BELGraph) -> pybel.BELGraph) or ((pybel.BELGraph) -> None) or str] Example with function: Equivalent example with function names: Lookup by name is possible for built in functions, and those that have been registered correctly using one of the four decorators: 1. :func:`pybel.struct.pipeline.transformation`, 2. :func:`pybel.struct.pipeline.in_place_transformation`, 3. :func:`pybel.struct.pipeline.uni_transformation`, 4. :func:`pybel.struct.pipeline.uni_in_place_transformation`, """

        result = Pipeline()

        for func in functions:
            result.append(func)

        return result