Python write to Excel

Python Excel Tutorial: The Definitive Guide

General info
Working with Excel Files in Python

openpyxl - A Python library to read/write Excel 2010 xlsx/xlsm files

Working with Python Pandas and XlsxWriter

Write to Excel using COM interface

Python Excel Mini Cookbook

enumeration using COM interface

How do I import a COM object namespace/enumeration in Python?

Using COM interface

Quick Start to Client side COM and Python

Importing Data & Writing Files

12 Useful Pandas Techniques in Python for Data Manipulation

Creating Excel files with Python and XlsxWriter

The tutorial for xlrd, xlwt and xlutils
python-excel

Python - Write to Excel Spreadsheet

use python to generate graph in excel

matplotlib not realy excel thing
You can generate plots, histograms, power spectra, bar charts, errorcharts, scatterplots,

Maybe we can find the same class in openpyxl.
The Chart Class