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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 _get_data_from_bigquery(self, queries):
 """Get data from bigquery table or query."""


    all_df = []
    for query in queries:
      all_df.append(query.execute().result().to_dataframe())
    df = pd.concat(all_df, ignore_index=True)
    return df