Seoyoon has 3 indistinguishable purple balls and 2 indistinguishable green balls. How many ways can she arrange these balls when she arranges them in a row?
3 2 [OP_ADD] 3 [OP_COMB]
var_a = 3
var_b = 2
var_c = var_a + var_b
var_d = 3
var_e = 1
var_c = int(var_c)
var_d = int(var_d)
for i, elem in enumerate(range(var_d)):
    var_e = var_e * (var_c-i)
for i, elem in enumerate(range(var_d)):
    var_e = var_e / (i+1)
print(int(var_e))