Write the number that can fit in the hundredth place when using the given number cards 7, 5, and 2 once to make a number greater than 520 and less than 710.
[OP_LIST_SOL] 7 5 2 [OP_LIST_EOL] [OP_LIST_LEN] [OP_LIST_GET_PERM] 520 [OP_LIST_MORE] 710 [OP_LIST_LESS] 1 [OP_LIST_GET] [OP_NUM2LIST] 1 [OP_LIST_GET]
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 = 520
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]
list_e = []
var_h = int(var_h)
while var_h//10 > 0:
    list_e.append(var_h%10)
    var_h = var_h//10
list_e.append(var_h%10)
list_e = list_e[::-1]
var_i = 1
var_j = list_e[var_i-1]
print(int(var_j))