First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to How to Install MySQL Driver in Python.

How to Update a MySQL Table in Python

import mysql.connector

mydb = mysql.connector.connect(
  host = "localhost",
  user = "username",
  password = "YoUrPaSsWoRd",
  database = "your_database"
)

mycursor = mydb.cursor()
sql = "UPDATE customers SET address = 'Stoneleigh Place' WHERE address = 'Abbey Road'"
mycursor.execute(sql)
mydb.commit()

print(mycursor.rowcount, "record(s) affected")

Prevent SQL Injection in your Update Clause in Python

import mysql.connector

mydb = mysql.connector.connect(
  host = "localhost",
  user = "username",
  password = "YoUrPaSsWoRd",
  database = "your_database"
)

mycursor = mydb.cursor()

sql = "UPDATE customers SET address = %s WHERE address = %s"
val = ("Stoneleigh Place", "Abbey Road")

mycursor.execute(sql, val)
mydb.commit()

print(mycursor.rowcount, "record(s) affected")