There are one carrot, one cucumber, and one radish each. How many ways can you choose to buy 2 of these?
[OP_LIST_SOL] carrot cucumber radish [OP_LIST_EOL] [OP_LIST_LEN] 2 [OP_COMB]
var_a = 'carrot'
var_b = 'cucumber'
var_c = 'radish'
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))