How to apply multiple functions to all sheets and then save as one excel workbook

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So I imported all sheets from an excel file using pd.read_excel('df.xlsx',sheet_name=None). I have a dict with key value pairs. In all these sheets there is a table present. I want to make the first column as index and then insert a column from a separate dataframe that I already have.

What is the best way to approach this, should I save all sheets in to dfs individually or is there a way to loop over key value pairs?

Info Col A Col B
First Name
Second Name
Phone

And then I wanted to insert a column in all sheets so I was thinking I would use pd.insert()

pandas dataframe dictionary
1 Answers

As you have a dict of key, values, where each value is a df, you can iterate over them and first set the index, next create a column based on the other df. Use:

for name, df in data.items():

   df = df.set_index('info')
   df['new col'] = another_df['specified col']
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