Python dataframe write into specific existing excel file

[hofeher]

Trying to write dataframe into existing excel file to a specific column without deleting existing data. Code sample:

import pandas

from openpyxl import load_workbook

writer = pd.ExcelWriter('test.xlsx', engine='xlsxwriter')

df.to_excel(writer, sheet_name='sheet1', startrow=1, startcol=57, index=False, engine='openpyx1')

writer.save()

[dwblas]

"pd" & "df" have not been declared, if that is what you are asking about.