There are 3 different colored marbles. One is red, one is blue, one is yellow. Find the number of ways to choose two of these and put each of them in each of the boxes of the same shape.
[OP_LIST_SOL] red blue yellow [OP_LIST_EOL] [OP_LIST_LEN] 2 [OP_COMB]
var_a = 'red'
var_b = 'blue'
var_c = 'yellow'
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)
var_e = 2
var_f = 1
var_d = int(var_d)
var_e = int(var_e)
for i, elem in enumerate(range(var_e)):
    var_f = var_f * (var_d-i)
for i, elem in enumerate(range(var_e)):
    var_f = var_f / (i+1)
print(int(var_f))