#------------------------quiz2a------------------------#


#####################[Code 1]##########################

def count_occurrences(L, x):
    if len(L) == 0:
        return 0
    
    curr = 0
    if x == L[0]: 
        curr = 1
    return curr + count_occurrences(L[1:], x)

print( count_occurrences( [1,4,5,4,1,3, 4], 4) )