Among 2, 3, 4, and 5, find the number less than 4 that is not 3.
[OP_LIST_SOL] 2 3 4 5 [OP_LIST_EOL] 4 [OP_LIST_LESS] [OP_LIST_SOL] 3 [OP_LIST_EOL] [OP_SET_DIFFERENCE] 1 [OP_LIST_GET]
var_a = 2
var_b = 3
var_c = 4
var_d = 5
list_a= []
if "/" in str(var_d):
    var_d = eval(str(var_d))
list_a.append(var_d)
if "/" in str(var_c):
    var_c = eval(str(var_c))
list_a.append(var_c)
if "/" in str(var_b):
    var_b = eval(str(var_b))
list_a.append(var_b)
if "/" in str(var_a):
    var_a = eval(str(var_a))
list_a.append(var_a)
list_a.reverse()
var_e = 4
list_b = []
for i in list_a:
    if i < var_e:
        list_b.append(i)
var_f = 3
list_c= []
if "/" in str(var_f):
    var_f = eval(str(var_f))
list_c.append(var_f)
list_c.reverse()
list_d = list(set(list_b) - set(list_c))
var_g = 1
var_h = list_d[var_g-1]
print(int(var_h))