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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 reset_ids_in_meta_df(meta_df):
 """ Meta_df is modified inplace. """


    # Record original index name, and then change it so that the column that it
    # becomes will be appropriately named
    original_index_name = meta_df.index.name
    meta_df.index.name = "old_id"

    # Reset index
    meta_df.reset_index(inplace=True)

    # Change the index name back to what it was
    meta_df.index.name = original_index_name