arrayPreviousLess

def arrayPreviousLess(items):
    arr=[] #empty array for the result

    for i in range(len(items)):
        tmp = -1 #tmp value that we will append later
        for j in range(i-1,-1,-1): #let's go backwards!
            if items[j]<items[i]: #have we find that smaller value yet?
                tmp = items[j] # yes! assign tmp to that value we found
                break #break the loop 'cause we already find the value!
        arr.append(tmp) #append that value to our array
    return arr #return it!