append dataframe to excel with pandas

Question

I desire to append dataframe to excel

This code works nearly as desire. Though it does not append each time. I run it and it puts data-frame in excel. But each ti

Answer 1

I tried to read an excel, put it in a dataframe and then concat the dataframe from excel with the desired dataframe. It worked for me.

def append_df_to_excel(df, excel_path):
    df_excel = pd.read_excel(excel_path)
    result = pd.concat([df_excel, df], ignore_index=True)
    result.to_excel(excel_path, index=False)

df = pd.DataFrame({"a":[11,22,33], "b":[55,66,77]})
append_df_to_excel(df, r"\.xlsx")