pandas read_csv no header
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è¦ãªå ´åã¯ã次ã®ããã«ãã¾ãã.csvãã¡ã¤ã«ã®åè¡ã1è¡ã§ãã1åã®DataFrameãä½æãã¾ã åè¡ãã³ã³ãã§åå²ãããã¼ã¿ãã¬ã¼ã ãå±éãã¾ã df = pd.read_fwf('