If you set:include_empty_columns=False, but then you query for that column via Select you will get a FULLY NULL column. You will not see rows where that column was logged as empty.
FutureWarning: The behavior of DataFrame concatenation with empty or all-NA entries is deprecated. In a future version, this will no longer exclude empty or all-NA columns when determining the result dtypes. To retain the old behavior, exclude the... 这个警告是由于在进行 DataFrame 的合并操作时...
Pandas: Always selecting the first sheet/tab in an Excel, The first sheet is automatically selected when the Excel table is read into a dataframe. To be explicit however, the command is : import pandas as pd fd = 'file path' data = pd.read_excel ( fd, sheet_name=0 ) Use of 'shee...