At a gimbap shop, a basic gimbap is 2,000 won, a tuna gimbap is 3,500 won, red pepper gimbap is 3,000 won, a beef gimbap is 4,000 won, and a rice gimbap is 3,500 won. Find out the number of types of gimbap that costs more than or equal to 3500 won.
[OP_LIST_SOL] 2000 3500 3000 4000 3500 [OP_LIST_EOL] 3500 [OP_LIST_MORE_EQUAL] [OP_LIST_LEN]
var_a = 2000
var_b = 3500
var_c = 3000
var_d = 4000
var_e = 3500
list_a= []
if "/" in str(var_e):
    var_e = eval(str(var_e))
list_a.append(var_e)
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_f = 3500
list_b = []
for i in list_a:
    if i >= var_f:
        list_b.append(i)
var_g = len(list_b)
print(int(var_g))