import mysql.connector

# Establishing a connection
connection = mysql.connector.connect(
    host='localhost',
    user='root',
    password='yourpassword',
    database='student_db'
)
cursor = connection.cursor()

# Updating data in the 'students' table
cursor.execute("UPDATE students SET grade = 'B+' WHERE name = 'Alice'")
connection.commit()

print("Data updated successfully")
cursor.execute("SELECT * FROM students")

cursor.close()
connection.close()