[("a", Series { name: "a", index: Index { labels: [Int64(0), Int64(1)], name: None, duplicate_cache: OnceLock(false), sort_order_cache: OnceLock(AscendingInt64), semantic_fingerprint_cache: OnceLock(<uninit>) }, column: Column { dtype: Float64, values: [Float64(1.0), Float64(2.0)], validity: ValidityMask { words: [], len: 2 } }, categorical: None, sparse: None }), ("b", Series { name: "b", index: Index { labels: [Int64(0), Int64(1)], name: None, duplicate_cache: OnceLock(false), sort_order_cache: OnceLock(AscendingInt64), semantic_fingerprint_cache: OnceLock(<uninit>) }, column: Column { dtype: Float64, values: [Float64(10.0), Float64(20.0)], validity: ValidityMask { words: [], len: 2 } }, categorical: None, sparse: None })]