There are 1 white marble, 1 black marble, 1 purple marble, 1 green marble and 1 red marble. How many different ways can there be to choose 2 different marbles?
[OP_LIST_SOL] white black purple green red [OP_LIST_EOL] [OP_LIST_LEN] 2 [OP_COMB]
var_a = 'white'
var_b = 'black'
var_c = 'purple'
var_d = 'green'
var_e = 'red'
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 = len(list_a)
var_g = 2
var_h = 1
var_f = int(var_f)
var_g = int(var_g)
for i, elem in enumerate(range(var_g)):
    var_h = var_h * (var_f-i)
for i, elem in enumerate(range(var_g)):
    var_h = var_h / (i+1)
print(int(var_h))