"Python data analysis" learning record 001: 2.2.1 pandas filters the value that meets a certain condition in the row, and the'.astype (float)' pattern reports an error! - Code World

"Python data analysis" learning record 001: 2.2.1 pandas filters the value that meets a certain condition in the row, and the'.astype (float)' pattern reports an error!

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"Python data analysis" learning record 001: 2.2.1 pandas filters the value that meets a certain condition in the row, and the'.astype (float)' pattern reports an error!

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