import xlrd
import mysql.connector
import datetime

name= "Anand1989.xls"
book=xlrd.open_workbook(name)
worksheet = book.sheet_by_index(0)
database = mysql.connector.connect (host="localhost", user = "root", passwd = "", db = "rainfall")
cursor = database.cursor()
query = """INSERT INTO  Anand1989(DATE) VALUES (%s)"""
for r in range(1, worksheet.nrows):
    DATE = worksheet.cell(r,0).value
    date_time_obj = datetime.datetime.strptime(str(DATE), '%Y-%m-%d').date
    values = (date_time_obj)
cursor.execute(query, values)
cursor.close()
database.commit()
database.close()
print ("All Done! Bye, for now.")

Traceback (most recent call last):
File "newins.py", line 46, in <module> date_time_obj = datetime.datetime.strptime(str(DATE), '%Y-%m-%d').date
File "C:UsersstudentAppDataLocalProgramsPythonPython37-32lib_strptime.py", line 577, in _strptime_datetimet tt, fraction,gmtoff_fraction = _strptime(data_string, format)
File "C:UsersstudentAppDataLocalProgramsPythonPython37-32lib_strptime.py", line 359, in _strptime (data_string, format)) ValueError: time data '32509.0' does not match format '%Y-%m-%d'