b.3 print the total number of the alphanumeric words (consisting of or using both letters and numerals) inside var (10)

var = "##2002364 But the huge bonus prize is the real draw -- announced by an electronic display that resembles the ticking wheel on the TV game show , placed just above eye level . As her losses mounted to more than $200 , Budz fed the machine $5 tokens , pressing the Spin button almost rhythmically -- no serious slot player touches the pull handle on a one-armed bandit ."

In python Please!!

b.3 print the total number of the alphanumeric words (consisting of or using both letters and numerals) inside var