excel find the average of a colmn code example

Example 1: how to use a function to find the average in python

avreage_cost = cost
    avg = sum(avreage)/len(avreage) 
    print("The average amout you spent is ", round(avg,2))

Example 2: excel formula to find last space in string

=RIGHT(A2,LEN(A2)-FIND("@",SUBSTITUTE(A2,"/","@",LEN(A2)-LEN(SUBSTITUTE(A2,"/",""))),1))