When using the given number cards 7, 5, and 2 all once to make a number greater than 530 and less than 710, write the number that can be in the tens place.
[OP_LIST_SOL] 7 5 2 [OP_LIST_EOL] [OP_LIST_LEN] [OP_LIST_GET_PERM] 530 [OP_LIST_MORE] 710 [OP_LIST_LESS] 1 [OP_LIST_GET] 100 [OP_MOD] 10 [OP_FDIV]
var_a = 7
var_b = 5
var_c = 2
list_a= []
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_d = len(list_a)
list_b = [str(i) for i in list_a]
list_b = list(itertools.permutations(list_b, var_d))
list_b = [''.join(num_list) for num_list in list_b]
list_b = [str_num for str_num in list_b if str_num[0] != '0']
list_b = [float(i) for i in list_b]
var_e = 530
list_c = []
for i in list_b:
    if i > var_e:
        list_c.append(i)
var_f = 710
list_d = []
for i in list_c:
    if i < var_f:
        list_d.append(i)
var_g = 1
var_h = list_d[var_g-1]
var_i = 100
var_j = var_h % var_i
var_k = 10
var_l = var_j // var_k
print(int(var_l))