openpyxl is a great library and supports read/write to 2010 xlsx files.
sample parsing code
from openpyxl import load_workbook
wb = load_workbook('Book1.xlsx')
ws = wb.active
for row in ws.iter_rows():
for cell in row:
print cell.value
sample writing code
from openpyxl import Workbook
from openpyxl.utils import get_column_letter
wb = Workbook()
dest_filename = 'empty_book.xlsx'
ws1 = wb.active
ws1.title = "range names"
for row in range(1, 40):
ws1.append(range(600))
wb.save(filename = dest_filename)
you can read more here: https://openpyxl.readthedocs.io/en/stable/index.html