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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 replace_dimensions(cls, dimensions, overrides):
 """Replaces dimensions in list with dictionary of overrides. Args: dimensions: List of dimensions overrides: Dictionary of dimension specs indexed by name Returns: list: List of dimensions with replacements applied """

        from .dimension import Dimension
        
        replaced = []
        for d in dimensions:
            if d.name in overrides:
                override = overrides[d.name]
            elif d.label in overrides:
                override = overrides[d.label]
            else:
                override = None

            if override is None:
                replaced.append(d)
            elif isinstance(override, (util.basestring, tuple)):
                replaced.append(d.clone(override))
            elif isinstance(override, Dimension):
                replaced.append(override)
            elif isinstance(override, dict):
                replaced.append(d.clone(override.get('name',None),
                                        **{k:v for k,v in override.items() if k != 'name'}))
            else:
                raise ValueError('Dimension can only be overridden '
                                 'with another dimension or a dictionary '
                                 'of attributes')
        return replaced