Reduce WooCommerce Password Strength Requirement

woocommerce_password_strength.php

add_filter( 'woocommerce_min_password_strength', 'example_woocommerce_min_password_strength' );
/**
 * Callback for WooCommerce 'woocommerce_min_password_strength' filter.
 *
 * Reduce the strength requirement on the woocommerce password.
 *
 * 0 = Anything (not a good idea)
 * 1 = Weak
 * 2 = Medium
 * 3 = Strong (default)
 *
 * @param integer $strength
 *
 * @return integer
 */
function example_woocommerce_min_password_strength( $strength ) {

    return 2;

}