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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 remove_im_params(model, im):
 """Remove parameter nodes from the influence map. Parameters model : pysb.core.Model PySB model. im : networkx.MultiDiGraph Influence map. Returns ------- networkx.MultiDiGraph Influence map with the parameter nodes removed. """

    for param in model.parameters:
        # If the node doesn't exist e.g., it may have already been removed),
        # skip over the parameter without error
        try:
            im.remove_node(param.name)
        except:
            pass