When you try to pick two different numbers out of the six numbers 3, 5, 7, 11, 13, and 17 as the numerator and denominator of one fraction. How many improper fractions can there be?
6 2 [OP_COMB]
var_a = 6
var_b = 2
var_c = 1
var_a = int(var_a)
var_b = int(var_b)
for i, elem in enumerate(range(var_b)):
    var_c = var_c * (var_a-i)
for i, elem in enumerate(range(var_b)):
    var_c = var_c / (i+1)
print(int(var_c))